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alert

alert

2 2.4
Moving or acting in a quick, energetic way
  • adjective
  • /əˈlɜrt/
: ágil
  • Lee was alert and in motion, too, and what ensued was a series of good screens, cuts, and quick passes that resulted in Lee finishing beautifully around the basket.

Examples

  • Her eyes are as sparkling and alert as ever; her hair is a golden cloud.

    Fiction book (1991)
  • The dog was quick and alert, eager to chase after the frisbee.

  • And that keeps me alert and energized all morning.

  • The young man appeared to be alert and was very talkative with rapid speech.

    Blog text (17)
  • Carlos, however, is as fresh, alert, and energetic as the morning of the attack.

    Fiction book (1997)
  • They are alert and agile.

    Academic text (2003)
  • She is totally alert, almost feral in her movements.

    Fiction book (1991)
  • Very alert, very responsive.

  • His face is alert and ironic; his movements are rapid and purposeful.

    Fiction book (1992)
  • This physical change, as she develops from a spoiled, lazy, selfish brat into a strong-willed, active, and alert young lady, is used to emphasize the mental and moral improvement of the protagonist.

    Academic text (2001)

Synonyms

quick
vsalert
112 1.0

Able to move fast and lightly

adds a sense of brisk liveliness to mere speed
lively
vsalert
109 1.3

Having a lot of energy and enthusiasm

focuses more on speed than on emotional energy
energetic
vsalert
88 1.6

Full of energy and active

emphasizes quickness more than sustained physical strength
brisk
vsalert
32 3.2

Quick and energetic in movement or action

is similar but often sounds more general and neutral
agile
vsalert
26 3.7

Able to move quickly and easily like a gymnast

focuses more on lively speed than on controlled nimbleness
fast-paced
vsalert
26 3.9

Happening very quickly with a lot of action

describes a single quick lively movement rather than ongoing pace
snappy
vsalert
18 3.7

Quick and energetic in movement or action

is quick but with slightly milder energy
spanking
vsalert
  • Informal
10 6.0

Quick and energetic in movement

is more neutral and general in motion energy
zippy
vsalert
  • Informal
4 6.0

Quick and full of energy

is quick but less playful and more neutral

Antonyms

35 3.9

Moving or working slowly and with little energy

15 5.3

Being very tired and slow with little interest or energy

Compounds

33 3.6

A time when people are extra ready and careful because of danger

red alert
  • Formal
31 4.7

A strong warning that serious danger is coming and people must act now

spoiler alert
  • Texting
14 3.9

A warning that someone will tell important story details

1 3.3

A national system that lets officials send emergency warnings on radio and television

1 5.5

A warning telling people to go to shelters because an enemy air attack may happen

air alert
  • Jargon
1 6.8

A military state where fighter jets stay ready to take off quickly to respond to a threat

strip alert
  • Jargon
1 7.9

A state when planes and their crews are ready to take off immediately for defense

4.4

An official warning about a disease spreading to many countries

A dog trained to notice signs of a seizure and warn or help the person

How Lively

vigorous
78 4.1
lively
109 1.3
alert
2 2.4
energetic
88 1.6
brisk
32 3.2

Surface Forms

alert positive

Etymology

Alert comes from the Italian phrase all'erta, meaning 'on the watch', and the idea of being ready later also meant moving quickly. That's why an alert step or movement feels quick and lively.