sluggish Get Printable Handwriting (slug-gish) 2 syllables Rhymes Learn It! Spelling Test Definition adjective. moving or proceeding at less than the normal desirable or required speed; slow to move or act Example Sentence I feel sluggish after my noon meal. Synonyms slow; inactive; dragging Antonyms active Rhymes Two Syllable Rhymes (1) sluggish Share with your friends: