to start dealing with something much more strictly, especially to stop bad or illegal behavior.
The school decided to clamp down on cheating after several students were caught.
A: Have you noticed there are fewer cars parked illegally lately? B: Yeah, the city has started to really clamp down on it.
In my opinion, the government should clamp down on companies that pollute the environment to protect public health.
Common mistake
✗They clamped down speeding.
✓They clamped down on speeding.
'Clamp down ON something'.
Tell it apart
clamp down on speeding
start enforcing strictly
turn a blind eye to speeding
deliberately ignore it
Use 'clamp down on' when talking about rules, laws, or stopping unwanted actions.Not the same as 'crack down on', but both mean to take strong action to stop something.
to limit or suppress the expression of opinions, ideas, or dissent, especially in a way that restricts freedom or open debate.
The government was widely criticized for clamping down on independent journalism.
A: Did you hear about the new regulations? B: Yes, they're really clamping down on any form of public protest these days.
Some argue that clamping down on online criticism undermines democratic values and stifles healthy debate.
Common mistake
✗They clamped down to journalists.
✓They clamped down on journalists.
'Clamp down ON [people / expression]'.
Tell it apart
clamp down on dissent
suppress it
give people a voice
let them express themselves
'Clamp down on' in this sense is common in academic, journalistic, and political contexts to describe the suppression of ideas, speech, or protest. It often carries a negative or critical connotation, implying excessive or unjust restriction.Unlike the B2 sense, which focuses on strict action against illegal or bad behavior, this C2 sense refers to suppressing expression, ideas, or dissent, often with a negative evaluation of the restriction.