Etymology
Advertisement

straighten (v.)

1540s (transitive), from straight (adj.1) + -en (1). Intransitive sense from 1891. Related: Straightened; straightening; straightener. The Middle English verb was simply straight (late 14c.).

Others are reading

Advertisement
Advertisement
Definitions of straighten

straighten (v.)
straighten up or out; make straight;
Synonyms: unbend
straighten (v.)
make straight;
Synonyms: straighten out
straighten (v.)
get up from a sitting or slouching position;
The students straightened when the teacher entered
straighten (v.)
put (things or places) in order;
Synonyms: tidy / tidy up / clean up / neaten / straighten out / square away
straighten (v.)
straighten by unrolling;
Synonyms: roll out
straighten (v.)
make straight or straighter;
straighten hair
From wordnet.princeton.edu