Synonyms to discouraging

alarming, awing, bad, chilling, critical, dangerous, dangersome, daunting, deterrent, deterring, disconcerting, disheartening, dismaying, disquieting, explosive, fear-inspiring, fearful, fearsome, fraught with danger, frightening, frightful, jeopardous, menacing, overawing, parlous, periculous, perilous, scaring, scary, serious, startling, threatening, ugly, disappointing, displeasing, dissatisfactory, falling short, inadequate, incommensurate, inferior, insufficient, not good enough, pathetic, poor, sad, second best, second-rate, sorry, tantalizing, teasing, unfulfilling, ungratifying, unsatisfactory, unsatisfying, ache, aching, adiabatic absorption, adiabatic demagnetization, adiabatic expansion, air conditioning, air cooling, algific, blast freezing, blast-freezing, chilblains, chill, chilliness, cold creeps, cold shivers, congealing, congealment, congelation, cooling, creeps, cryogenics, cryopathy, deep freezing, dehydrofreezing, dismay