keep someone in line

/kiːp ˈsʌmwʌn ɪn laɪn/◆phrasal verb

control behavior

The teacher had to keep the noisy students in line during the assembly.

The teacher had to make sure the students behaved properly.

◆ What It Really Means

To enforce discipline or control over someone's behavior to ensure they follow rules or behave appropriately.

¶ Literal Meaning

To maintain someone in a physical line or formation.

Literal Breakdown

keepto hold or maintain in a position+someonea person+in linewithin a straight formation of people

◇ Mental Image

Imagine a group of people standing in a straight line, where one person ensures everyone stays orderly and disciplined. The phrase uses this visual to represent behavioral control.

◈ When to Use

During a school field trip, a teacher might say, 'Keep the students in line!' to ensure they walk together without running off or misbehaving.

◉ Cultural Note

This phrase reflects the importance of discipline and order in English-speaking cultures, particularly in educational and workplace settings. It is often used humorously or casually.

informal

to control or discipline someone to behave properly or follow rules

Parents need to keep their children in line at the mall.

Parents need to ensure their children behave appropriately in public.

The manager kept the employees in line by enforcing strict deadlines.

The manager ensured employees followed rules and met expectations.

Often used in contexts where order or discipline is needed, such as workplaces, schools, or families.

Collocations

keep someone in linecontrol or discipline someonestay in lineremain disciplined or orderly

Synonyms

control discipline restrain rein in keep under control

Antonyms

let loose allow freedom let off the leash

Related Phrases

toe the lineidiom

conform to rules or expectations

draw the lineidiom

set a limit on acceptable behavior

Pro Tip

Usage Context

Use 'keep someone in line' when discussing situations where authority figures (e.g., teachers, managers, parents) enforce discipline or rules. Avoid using it in formal or legal contexts where precise terminology is required.

Gold Rule

Idiomatic Meaning

The phrase does not refer to physical lines but to behavioral control. Always interpret it figuratively.

Word Origin

The phrase originates from the idea of keeping people aligned in a physical line, metaphorically extending to behavioral control. The word 'line' here refers to order or discipline, not a literal line.

Usage Notes

This phrase is commonly used in informal contexts to describe maintaining order or discipline. It can imply authority or enforcement of rules.

Word Breakdown

keep

to cause to remain in a specified state or position

verb

someone

a person or people

pronoun

in line

in order or under control

prepositional phrase

English Dictionary

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