straighten

verbs

straighten up or out; make straight
straighten, unbend
antonym
bend
make straight
straighten, straighten out
is derived from
straightener
get up from a sitting or slouching position
"The students straightened when the teacher entered"
straighten
is a type of (narrower)
undergo a change in bodily posture
change posture
put (things or places) in order
"Tidy up your room!"
clean up, neaten, square away, straighten, straighten out, tidy, tidy up
straighten by unrolling
"roll out the big map"
roll out, straighten
make straight or straighter
"Straighten this post"; "straighten hair"
straighten
see also
straighten out
see also
straighten out
is a type of (narrower)
put into a proper or systematic order
"arrange the books on the shelves in chronological order"
arrange, set up