Constrain and Lock up

Constrain

Constrain verb - To cause (a person) to give in to pressure.

Lock up is a synonym for constrain in shut in topic. In some cases you can use "Lock up" instead a verb "Constrain", when it comes to topics like imprison.

Lock up

Lock up verb - To put in or as if in prison.
Usage example: if they catch you, they're going to lock you up and throw away the key!

Constrain is a synonym for lock up in confine topic. You can use "Constrain" instead a verb "Lock up", if it concerns topics such as incarcerate, imprison, hold back, stop.
Cite this Source
Lock up and Constrain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/constrain/lock_up
Constrain & Lock up. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/constrain/lock_up>.
Lock up or Constrain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/constrain/lock_up.
Google Ngram Viewer shows how "constrain" and "lock up" have occurred on timeline