Synonyms and Antonyms of obligatory
- in this state, school attendance is obligatory until the age of 16
- the obligatory cliff-hanger endings for season finales of TV shows
arid, barren, boring, colorless, drab, dreary, drudging, dry, dull, dusty, flat, heavy, ho-hum, humdrum, jading, jejune, leaden, mind-numbing, monotonous, numbing, old, pedantic, pedestrian, ponderous, prosaic, stodgy, stuffy, tame, tedious, tiresome, tiring, undramatic, uninteresting, vapid, wearisome, weary, wearying
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