ONSET /ˈɒnˌsɛt/ ► audio Scrabble 5 Words With Friends 6 Definition noun the beginning or early stages. — synonyms: oncoming noun (military) an offensive against an enemy (using weapons). — synonyms: attack, onslaught, onrush Examples “the onset of schizophrenia”“the onset of puberty” Anagrams of ONSET notessetonstenostonetones See all 46 words you can make from ONSET → 5-letter words Words starting with O Words ending with T ← Unscramble different letters