failing Synonyms

flunk weakness languishing pretermission putrescence recessive recreancy regressing regressive relapsing retrogressive shortcoming sinking slipping slumping successless preterition peccadillo lapse limitation losing marcescent miscarriage miscarrying missing moribund muffing neglect nonfulfillment nonperformance omission omissive peccability toothless unsuccess glitch malfunctioning manque spoilage screwup nonfeasance helplessness Achilles heel go bankrupt in difficulty recessionary unsatisfying spoilation unpersuasive hiccup