Crossword clues for It's not so fast 4 lettersAnswerClueFASTYom Kippur observanceFASTNo-food diet?FASTFleet-footedFASTAdjective for the Road RunnerFASTCompletely cut caloriesFASTBall from ClemensFASTTake nothing inFASTCut calories completelyFASTMore than dietFASTWell-connected?FASTEat nary a morselFASTRapidFASTPaine biographerFASTHunger strikeFASTObserve RamadanFASTLike a blurFAST___ one (swindle)FAST___ Times at Ridgemont High (Sean Penn comedy)FASTLike Usain BoltFASTLike a clipper, in its dayFASTTake part in a hunger strikeFASTDiet to the max?FASTGo without foodFASTRamadan ritualFASTWasting no timeFASTObserve Yom KippurFASTObserve Ramadan, sayFASTAbstainFASTSoundlyFASTEschew foodFASTSpeedyFASTLike Carl LewisFASTLike lightningFASTCertain form of protestFASTEschew ediblesFASTGo on a hunger strikeFASTBreakneckFASTSwiftFASTCrash dietFASTGo hungryFASTPrepare for surgery, sayFAST___ Eddie FelsonFASTFirmly fixedFASTIn high gearFASTLike a cheetahFASTAllegro, in musicFASTYom Kippur ritualFASTSkip sustenanceFASTHunger protestFASTNot eat