Innocuous

//ɪˈnɒkjuəs//

Antonyms for "innocuous" (20 found)

Adjective(20 words)

beneficial damaging deleterious detrimental harmful hurtful inimical injurious mischievous nocent nocuous noisome noxious poisonous prejudicial scathand scathel sullen toxic venom

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.