reign in
C1 informal separable transitive
In simple words
to stop something from getting too strong or too much
Literal meaning: to rule inward
Meanings
1 C1
idiomatic
informal
to control, limit, or hold back something
"The company is trying to reign in unnecessary expenses."
Grammar: separable
Usage notes
Most dictionaries and style guides prefer 'rein in'. 'Reign in' appears frequently in edited writing but is widely treated as an error or spelling variant caused by confusion with 'reign'.
Commonly used with
spending inflation emotions power excesses budget
Forms
Base
reign in
I/you/we/they
3rd person
reigns in
he/she/it
Past simple
reigned in
yesterday
Past participle
reigned in
have + pp
-ing form
reigning in
continuous
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Synonyms
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