acidic adjective Stress: second syllable 🤍 Save Syllables: a-cid-ic (3) English Definition Acid-forming or containing acid; having a pH of less than 7. Example Sentence Lemon juice is highly acidic. US IPA /əˈsɪdɪk/ 🔊 Listen US UK IPA /əˈsɪdɪk/ 🔊 Listen UK Synonyms acid sour tart sharp Antonyms alkaline basic sweet Share this Word Facebook WhatsApp X Telegram Copy Link