straighten (v.)straighten up or out; make straight;
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;