POISONOUS Antonyms There are 8 antonyms of the word poisonous. (opposite meanings)Did you mean?Definition of POISONOUSAlso try opposite words for..poisonpoisonspoisonedBest Opposite Words For POISONOUSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1nonpoisonousadjectiveadj2benignadjectiveadj3edibleadjectiveadj4harmlessadjectiveadj5nonlethaladjectiveadj6nontoxicadjectiveadj7safeadjectiveadj8wholesomeadjectiveadj Alternatives for NONPOISONOUS Words (7)nontoxicharmlessinnocuousinnoxioussafenon-poisonousnonvenomousOpposite words for nonpoisonous Alternatives for BENIGN Words (14)benevolentcompassionateconsideratefriendlygenerousgentlegood-naturedgraciouskindkind-heartedmildtenderwarmbenignantOpposite words for benign Alternatives for EDIBLE Words (12)comestibleeatableconsumablenourishingpalatabletastytoothsomeingestiblefoodpabulumvictualvictualsOpposite words for edible Alternatives for HARMLESS Words (16)benigninnocentgentleinconsequentialinconspicuousinoffensiveinsignificantmildpeaceableplacidsafetameunobjectionableunremarkableunoffensiveinnocuousOpposite words for harmless Alternatives for NONLETHAL Words (7)benigngentleharmlessinnocuousnonfatalpainlesssafeOpposite words for nonlethal Alternatives for NONTOXIC Words (6)nonpoisonousharmlesssafeatoxicinnocuousnon-poisonousOpposite words for nontoxic Alternatives for SAFE Words (33)securedependablecertainguardedimmuneimpregnableinvulnerablepreservedprotectedreliablerisk-freeshelteredshieldedsoundsureunassailableuntoucheddefendedcoolharmlesslenientmercifulrisklesstoleranttrustworthywickedcoffergoodlockboxprophylacticrubbersafetystrongboxOpposite words for safe Alternatives for WHOLESOME Words (3)healthfulhealthysalubriousOpposite words for wholesome