Synonyms of boring

1 Syllable

tame, blah, bland, bomb, cloying, flat, dead, dull, drag, drab

2 Syllables

plebeian, prosaic, yawner, stodgy, zero, tedious, stupid, singsong, blandest, dismal, snoozer, trite, drudging, bummer, dragging, drearier, dragger, tiring, well-worn, dreary, duller, stuffy, proser, quarrying, menial, dullest, sombre, blander, arid, humdrum, drabbest, frumpish, drabber, sing-song, mining, vapid, stodgier, stale, nothing

3 Syllables

button-down, insipid, bromidic, irksome, lifeless, stuporous, pedestrian, lusterless, lackluster, moth-eaten, threadbare, nowhere, tasteless, routine, samely, styleless, unvaried, mundane, toneless, spiritless, colorless

4 Syllables

commonplace, unexciting, tiresome, stereotyped, milk-and-water, repetitious, boresome, uninflected, monotonous, wearisome, uneventful, characterless

5 Syllables

unpleasurable, unanimated, reiterative, unstimulating, platitudinous, enervative, iterative, uninteresting, repetitive, interminable

6 Syllables

alliterative

7 Syllables

recapitulatory