assume verb Stress: second syllable 🤍 Save Syllables: as-sume (2) English Definition Suppose to be the case, without proof. Example Sentence I assumed you were not coming today. US IPA /əˈsuːm/ 🔊 Listen US UK IPA /əˈsjuːm/ 🔊 Listen UK Synonyms suppose presume believe expect Antonyms prove know doubt Share this Word Facebook WhatsApp X Telegram Copy Link