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straighten

1 ENTRIES FOUND:
straighten /ˈstreɪtn̩/ verb
straightens; straightened; straightening
straighten
/ˈstreɪtn̩/
verb
straightens; straightened; straightening
Britannica Dictionary definition of STRAIGHTEN
: to make (something) straight or to become straight
[+ object]
often + out
[no object]
often + out
[+ object] : to make (something) organized or tidy : to put (something) in order usually + out or up

straighten out

[phrasal verb]
straighten out (something) or straighten (something) out : to deal with (something) successfully
straighten out or straighten out (something) or straighten (something) out : to improve in behavior or condition
straighten (someone) out or straighten out (someone) : to improve the behavior of (someone)

straighten up

[phrasal verb]
: to move your body to an upright position
US : to improve in behavior

— straightener

/ˈstreɪtn̩ɚ/ noun, plural straighteners