Third-person singular simple present indicative form of constrain

(transitive) To force physically, by strong persuasion or pressuring; to compel; to oblige. / (transitive) To keep within close bounds; to confine.

The act by which something is constrained.

present participle of constrain

simple past tense and past participle of constrain

Kept within close bounds; confined. / Forced; compelled.

plural of constraining

Capable of being constrained.

One who constrains.

plural of constrainer