Unintentionally Synonym, tech. Click for English pronunciations, examples sentences, video. Find 437 synonyms for Unintentional to improve your writing and expand your vocabulary. Find more similar words Definition of unintentionally adverb in Oxford Advanced Learner's Dictionary. Synonyms for UNINTENTIONAL: accidental, casual, inadvertent, involuntary, unconscious, unintended, UNINTENTIONAL definition: not intentional or deliberate. unintentionally synonyms, unintentionally pronunciation, unintentionally translation, English dictionary definition of unintentionally. Understand the difference between Inadvertently and Synonyms for unintendedly include unintentionally, accidentally, unpremeditatedly, inadvertently, fortuitously, unwittingly, casually, flukily, UNINTENDED - Synonyms, related words and examples | Cambridge English Thesaurus 197 Unintentionally synonyms and 9 Unintentionally antonyms on the online thesaurus dictionary. Find synonyms for unintentionally in different contexts, such as accidental, unknowing, or harmless. His father unintentionally carried the fibers home from his job at a Mumbai auto-parts factory owned by British manufacturer Turner & Newall. Synonyms for UNWITTINGLY: inadvertently, accidentally, unintentionally, unconsciously, fortuitously, carelessly, casually, arbitrarily; Antonyms of UNWITTINGLY Synonyms for ACCIDENTALLY: inadvertently, unintentionally, unwittingly, unconsciously, fortuitously, carelessly, casually, arbitrarily; Antonyms of unintentionally (comparative more unintentionally, superlative most unintentionally) Without meaning to, in an unintentional manner, not intentionally.