(archaic) second-person singular simple present form of straighten

plural of straightening

To cease laughing or smiling, etc., and compose one's features.

(slang) The ability to detect whether or not a person is heterosexual by observing that person.

The state or condition of being straight (morally, sexually, etc.)

plural of straighter

Third-person singular simple present indicative form of straightsplain

(informal, derogatory) Condescending explanation of something by a heterosexual to a non-heterosexual person.

present participle of straightline

(skiing, snowboarding) skiing or snowboarding downhill rapidly