curve Antonyms

delop unravel unhook unfurl unfold uncurtain uncurl uncoil unclutch unbend unshut unstrain uncreased unsnarl straighten out straight line decompress wage vegetate untwist unthread temper straightness straighten disinvolve disintricate disentangle disclose develop deobstruct crystallize callous area elongate free stay resolver pivot nucleus loosen line inexorable illuminate hard adamant