Third-person singular simple present indicative form of tighten up

(transitive) To make sufficiently tight. / (transitive) To fix something or make it correct. / (intransitive) To become tense and restrained.

A village in Missouri.

(US, slang) Men's or boys' briefs.

plural of belt-tightening

Characteristic of a tightwad; stingy, overly cautious, or defensive with money.

(science fiction) A focused beam of energy (such as a laser) that contains and transmits information.

superlative form of tightly: most tightly

comparative form of tightly: more tightly

Able to be tightened.