verb (used with object), verb (used without object) to make or become
straight in direction, form, position, character, conduct, condition, etc. (often followed by
up or
out ).
Related forms straight·en·er, noun
o·ver·straight·en, verb
pre·straight·en, verb (used with object)
re·straight·en, verb
un·straight·ened, adjective
well-straight·ened, adjective