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to read the riot act

to read the riot act

1 7.9
To scold someone strongly and warn them of punishment
  • idiom
  • Informal
translation icon : dar un toque de atención
  • After the students broke the rules, the principal read the riot act and warned them of possible detention.
  • get read the riot act

And I'm like reading the riot act to the left this week and I'm thrilled about it.

Examples

  • When Tom refused to follow instructions, his supervisor read the riot act to him about the consequences of his actions.

  • I gotta go down and read the riot act to them.

  • Read the riot act, will you?

  • And I'm like reading the riot act to the left this week and I'm thrilled about it.

  • And then the lawyers read the riot act: the liability consequences, the different rules that apply in each state and in each province.

    Blog text (18)
  • I've just been read the riot act by our friend from naval intelligence.

  • Similarly, watchdog groups like NGO Monitor have read the riot act even to Palestinian NGOs, notorious for their anti-Israel advocacy brand of "human rights" defense.

    Blog text (31)
  • The manager had to read the riot act to the team after their repeated tardiness.

Synonyms

to teach someone a lesson
vsto read the riot act
  • Informal
139 4.2

Punish someone so they learn not to do it again

is mainly a stern warning intended to stop repeated wrongdoing
to correct
vsto read the riot act
65 7.7

To scold or punish someone to improve their behavior

is more about warning with a clear threat of future penalties
to scold
vsto read the riot act
55 2.2

Speak angrily to someone who has done something wrong

is more formal and adds a clear warning about future penalties
to give someone hell
vsto read the riot act
  • Informal
37 8.1

To scold someone very strongly for something they did

is more formal and focuses on warning plus possible penalties
to reprimand
vsto read the riot act
  • Formal
33 6.1

To tell someone they did something wrong, usually by a person in charge

is a sterner form that warns explicitly about possible punishment
to admonish
vsto read the riot act
31 6.8

To tell someone firmly to change or improve their behavior

is stronger and adds an explicit threat of consequences if ignored
to rebuke
vsto read the riot act
  • Formal
26 6.9

To tell someone firmly that you do not approve of their actions

is more a warning that explicitly threatens consequences if behaviour continues
to tell off
vsto read the riot act
  • Informal
13 4.2

To speak angrily to someone for doing something wrong

is firmer and includes an explicit threat of consequences if not changed
to let someone have it
vsto read the riot act
  • Informal
11 8.1

To angrily tell someone off

is more formal and centers on warning and promised consequences
to harangue
vsto read the riot act
7 8.9

To speak angrily to someone for a long time

is a stern warning that specifically threatens consequences if unchanged
to give someone the business
vsto read the riot act
  • Informal
5 8.3

Tell someone angrily that they did something wrong

is more targeted as a formal warning that includes consequences
to call on the carpet
vsto read the riot act
  • Archaic
3 7.9

To tell someone strongly that they have done something wrong, often in front of others

is similar but stresses a clear warning about punishment
to dress down
vsto read the riot act
  • Informal
3 6.3

To angrily tell someone they did something wrong

is mainly a stern warning that emphasizes possible consequences
to tear (someone) a new one
vsto read the riot act
  • Offensive
2 9.9

To scold someone angrily

focuses more on formal warning that threatens consequences rather than only anger
to give someone what for
vsto read the riot act
  • Informal
1 8.7

Tell someone angrily that they did something wrong

is sterner and includes a warning about future penalties
to haul over the coals
vsto read the riot act
  • Informal
1 8.6

To scold someone very strongly for a mistake

focuses more on warning with an explicit threat of consequences
to call down
vsto read the riot act
  • Informal
1 6.8

Tell someone angrily that they did something wrong

is more formal and specifically threatens consequences if behaviour continues
to put on the mat
vsto read the riot act
8.4

Scold a person in front of others for a mistake

adds a sterner tone and explicit threat of punishment if unchanged
to put one's foot in someone's ass
vsto read the riot act
  • Offensive
9.9

To yell at or threaten someone to make them try harder

is more formal and stresses an actual threat of consequences
to chap someone's hide
vsto read the riot act
  • Informal
9.3

To scold someone angrily for something they did

is more about issuing a formal warning with threatened consequences
to bang some heads together
vsto read the riot act
  • Informal
8.6

To make people work together by firmly telling them to stop arguing

is a formal warning aimed at stopping wrong behaviour with consequences
to hand you your head
vsto read the riot act
  • UK
9.9

Scold someone very strongly, often in front of others

is more a stern warning designed to prevent further wrongdoing
to give what-for
vsto read the riot act
  • Informal
9.5

To scold someone strongly for doing something wrong

is more formal and includes an explicit threat of future consequences
to have someone's hide
vsto read the riot act
  • Informal
7.9

To punish or scold someone strongly for making a mistake

is more about issuing a strong warning with threatened penalties
to light someone's ass up
vsto read the riot act
  • Offensive
9.9

To angrily tell someone they did something wrong, often in front of others

is less crude and focuses on formal warning plus consequences

Antonyms

161 1.0

Words or actions that show admiration for someone

How Stern

to berate
36 7.2
to read the riot act
  • Informal
1 7.9
to reprimand
  • Formal
33 6.1
to scold
55 2.2
to warn
1.0
to advise
414 2.2

Surface Forms

read the riot act infinitive
read the riot act past participle
reading the riot act present participle
reads the riot act third person singular

Morphology

read + the + riot + act

The phrase historically refers to reading the Riot Act (a statute) as a formal warning, so its current meaning 'to sternly reprimand or warn' is not directly predictable from the literal senses of 'read' + 'the' + 'riot' + 'act'. A B1 learner who knows the individual words would likely interpret a literal action (reading a law about riots) and not derive the idiomatic sense without prior exposure or cultural/historical knowledge, making it an opaque idiom.

Etymology

Read the riot act comes from an old British law called the 'Riot Act'. When crowds were noisy, an official would literally read the Riot Act to tell them to 'leave' or be arrested, so today the phrase means to give someone a very strong warning or stern scolding.