(intransitive, idiomatic) To punish someone according to one's own idea of justice, without consideration for the role of law enforcement authorities.

Alternative form of idle hands are the devil's workshop

(idiomatic) To summon up one's courage in readiness for a difficult or dangerous action.

simple past tense of take law into one's own hands

past participle of take the law into one's own hands

simple past tense of take matters into one's own hands

present participle of take matters into one's own hands

simple past tense of take the law into one's own hands

Third-person singular simple present indicative form of take law into one's own hands

Third-person singular simple present indicative form of take matters into one's own hands