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rat

rat

286 7.3
A person who betrays a group by telling secret information to outsiders
  • noun
  • /ræt/
  • Offensive
: soplón
  • I am not a rat!
  • smell a rat

Examples

  • And then people were like, of course, Max Bell, that rat, selling stories to the press.

  • Some rat calling himself Harry Kellerman is calling up every chick I see and telling lies about me, giving me the bad-mouth all over town.

  • But even if I could figure it out, do you think that rat of a teacher will give me a break?

  • How does it feel to be a rat?

  • In this time of trouble, was I a rat leaving a sinking ship?

    Academic text (1997)
  • Sources say the ex president is worried he may have a rat or multiple rats in his midst.

  • Well, you obviously smelled a rat or you wouldn't be asking, right?

  • It didn't add up and I smelled a rat, a big rat.

  • Freshmen were labeled rats to reflect the attitude of upperclassmen that they were the lowly ones on campus.

    Academic text (2013)
  • Max Bell is known as a rat because he betrayed his friends by selling their secrets to the press.

Synonyms

traitor
vsrat
  • Offensive
320 3.9

A person who breaks the trust of their country, group, or friend to help an enemy

is the casual, slang term used for similar betrayals, especially at strikes
mole
vsrat
92 8.2

A person who secretly works inside an organization to pass information to an enemy

is an informal term for betraying that covers public or group-focused acts
betrayer
vsrat
26 6.3

A person who breaks someone's trust by revealing secrets

is the informal, often strike-related label for the same disloyal behaviour
informer
vsrat
25 6.0

A person who secretly tells police about someone else's crimes to get money or protection

is a slang term focusing more broadly on betraying or undermining a group
scab
vsrat
  • Offensive
13 8.4

A person who works during a strike to replace those striking

is an informal label for betraying or informing beyond strike work
turncoat
vsrat
  • Offensive
12 8.2

A person who leaves their group to join the opposite side

is an informal label that highlights betrayal often within a group conflict
squealer
vsrat
  • Offensive
7 8.1

A person who tells the police about other people's crimes

is used informally for anyone seen as betraying or undermining their group
2 7.7

A person who works while other workers refuse to work to protest

is a broader informal term for betraying or informing, not only working
ratter
vsrat
  • Offensive
2 9.9

A person who betrays their friends or group

is an informal term focusing on betrayal specifically, sometimes during strikes
1 9.9

A person who secretly helps an enemy inside their country

is an informal label for betrayal used more generally, not only wartime espionage
ratfink
vsrat
  • Offensive
1 9.9

A person who betrays others and cannot be trusted

is the informal general word for betraying or informing others
snitcher
vsrat
  • Offensive
1 8.7

A person who secretly tells the police about other people's crimes

is an informal insult for someone who betrays or works against a group
blabber
vsrat
  • Offensive
1 7.9

A person who tells secrets to the police or other people in power

is a slang term aimed at those who betray or inform in many ways
blackleg
vsrat
  • Offensive
9.0

A person who keeps working when other workers are on strike

is used informally for betrayal or informing in many situations

Antonyms

43 4.8

A person who supports a government, leader, or cause during a revolt

Idioms

43 9.9

To care at all about something

Very quickly, especially when leaving or running away

9.9

Very quick and lively in a slightly surprising, playful way

poor as a rat
  • Informal
8.3

Having almost no money or things

Compounds

lab rat
  • Offensive
34 6.1

A person used by others for tests who often feels watched or controlled

rat bastard
  • Offensive
16 9.9

A rude word for a person who is cruel or dishonest

rat race
  • Informal
15 4.0

A busy, competitive working life that leaves little time to relax

hood rat
  • Offensive
8 9.9

An insulting word for a person from a poor neighborhood who behaves in a rough or criminal way

pack rat
  • Informal
6 7.4

A person who keeps many things and does not throw them away

5 7.7

A series of quick, sharp knocks often on a door or drum

sewer rat
  • Offensive
4 9.0

An insulting name for a person thought to be very bad and not to be trusted

gym rat
  • Slang
4 7.7

A person who spends a lot of time exercising in a gym

4 4.1

A brown rat that lives in sewers and other dirty city places

4 4.7

A small animal that digs tunnels and lives mostly underground like a mole

3 8.0

A small hopping animal that lives in deserts, often in North America and Mexico, and eats seeds

2 7.3

A small North American animal like a rat with a bushy tail that collects objects

A series of short, sharp tapping sounds like knocking on a door

river rat
  • Informal
2 8.3

A person who spends a lot of time near rivers and likes boating or fishing

A small almost hairless African animal that lives underground in large groups like ants

1 5.1

A small energetic dog bred to hunt rats

1 7.4

A person who catches and kills rats to keep places clean

kangaroo rat
  • Australian
1 8.1

A small Australian animal with a pouch that looks like a rat but is related to kangaroos

1 4.2

A large brown rat that lives near people and often causes trouble

1 5.3

A snake that is not poisonous and eats rats and mice

1 7.4

A small rat that lives in roofs or attics

1 3.9

A small animal like a rat that lives in or near water

frat rat
  • Offensive
1 9.9

A college student who spends too much time at fraternity parties

1 2.3

A small dark animal like a large mouse that lives near people and often carries disease

1 6.3

A small desert animal like a mouse that hops on long hind legs and has a long tail

1 8.0

A brown animal like a mouse that lives on docks and eats bait

1 6.7

A small wild animal like a rat that lives in forests, builds nests, and often collects things

water rat
  • Informal
1 7.9

A person who likes being in water or on a boat

wharf rat
  • Offensive
1 9.9

A person who lives near docks and steals from ships or warehouses

plague rat
  • Offensive
1 9.9

An insulting word for a person people think is dishonest or harmful

Damaraland mole rat
  • South African
1 9.9

A small burrowing mammal from western Africa that lives in underground colonies

rat racer
  • Offensive
1 8.6

A person who tries to get ahead at work by using unfair or dishonest ways

1 2.1

A common rat that lives near people and damages food and buildings

1 8.6

A small animal like a mouse that lives in holes in the desert

1 5.3

A large shiny black snake from North America that is not venomous and eats rats and mice

tree rat
  • Slang
1 8.9

A squirrel that people see as a pest

1 9.0

A small wild animal like a mouse that lives in marsh grass and eats plants and insects

welfare rat
  • Offensive
1 9.9

An insulting name for a person who cheats to get government help

rat-tail file
  • Specialized
1 9.5

A thin metal tool with a round taper used to smooth small round holes and curves

rat cheese
  • Slang
1 8.9

A strong yellow cheese like American cheddar

1 8.1

A wild rat that lives underground and damages crops

sky rat
  • Slang
1 9.9

A city bird like a pigeon that people see as a pest

rat kangaroo
  • Australian
1 8.2

A small Australian animal with a pouch that looks like a rabbit-sized rat

beaver rat
  • Australian
1 9.9

A small animal from Australia and New Guinea that lives in water and looks like a beaver

rat cheese
  • Slang
1 9.9

A joke name for old food that smells bad

1 9.9

A small mammal from southern South America that looks like a shrew and carries its young in a pouch

1 9.1

A small animal with a bushy tail that collects and hides small things

wood-rat
  • Specialized
1 7.6

A small rodent like a mouse from North America with a bushy tail that collects things for its nest

rat typhus
  • Specialized
1 8.3

A serious disease that causes fever and a rash when fleas spread bacteria to people

cat and rat
  • Baby Talk
1 8.0

A circle game where players join hands and raise them to let a child pass while another catches them

marsupial rat
  • Australian
1 9.9

A small animal like a mouse that eats insects and carries its young in a pouch

bandicoot rat
  • Indian
1 9.9

A large burrowing rat with a scaly tail found in India and Sri Lanka

jerboa rat
  • Australian
1 9.9

A large Australian mouse-like animal with long back legs that jumps far

Ord kangaroo rat
  • Specialized
1 9.9

A small mouse-like animal with large back legs that hops and lives in burrows in the western United States

bottle rat
  • Offensive
9.9

A person who drinks too much at parties and seeks free drinks

A small animal like a rat with soft thick fur and big ears that lives in the Andes

dwarf pocket rat
  • Specialized
9.9

A small animal like a mouse with soft fur and pouches in its cheeks

A North American wood rat with dark feet that builds large stick nests

Florida water rat
  • Specialized
9.9

A small animal like a mouse that lives in Florida marshes and swims

8.0

A large snake from South and Southeast Asia that is not poisonous and often enters buildings to catch mice

queen mole rat
  • Specialized
9.2

A larger female in a colony of naked mole rats who is the only one to have babies

rat with wings
  • Offensive
9.8

An annoying person or thing that keeps coming back

rat run
  • UK
8.1

A narrow hidden path people use to go somewhere faster

rat-licker
  • Offensive
9.9

A person who praises someone in power to get advantages

5.5

A large harmless reddish snake from the southern United States that lives on farms and in woods

9.4

A large rat that lives in pine forests and sometimes damages crops

9.9

A small animal like a mouse that uses fur-lined cheek pouches to carry food

9.9

A harmful false idea that people who get government help are lazy or dishonest

winter rat
  • Informal
9.9

A person who stays mostly indoors during winter to avoid the cold

winged rat
  • Offensive
9.2

An insulting name for a flying animal like a pigeon that people see as dirty or annoying

How Disloyal

traitor
  • Offensive
320 3.9
rat
  • Offensive
286 7.3
to snitch
  • Slang
51 7.9
tattletale
  • Offensive
9 6.9

Surface Forms

rat singular
rats plural

Etymology

Rat as an insult comes from the animal's bad image, because rats were seen as sneaky and dirty, so calling someone a 'rat' meant they betrayed or harmed others. That's why rat now also means a person who betrays or informs on a group.