ache agonize ail anguish avoid blanch bleach blink boggle cringe decolor decolorize demur dodge draw back duck evade fade fall back falter feel pain feel the pangs fight shy of flinch funk grimace hang back hang off have a misery have qualms hesitate hold off hurt jib make bones about pause pound pull back quail recoil reel back retreat scruple sheer off shoot shrink shrink back shy shy at sidestep smart squinch start start aside start back stick at stickle strain suffer swerve thrill throb tingle turn aside twinge twitch waver weasel weasel out white wince writhe