| arduous(adjective, dull, boring, tedious, irritating) |
| arid(adjective, dull, flat, stupid, boring) |
| average(adjective, normal, typical) |
| away |
| back of beyond(expression, idiom) |
| big yawn(expression, adjective, dull, boring, tedious) |
| big zero(expression, adjective, dull, weak, flat) |
| bit much(expression, adjective, dull, disagreeable, irritating) |
| blah(adjective, dull, weak, simple, flat) |
| bland(adjective, dull, weak, flat, stupid) |
| blank(adjective, cool, flat, detached, sober) |
| boilerplate(adjective, moderate, usual, regular, normal) |
| bomb(adjective, dull, flat, stupid, dead) |
| boresome(adjective, dull, boring, disagreeable, tedious) |
| bummer(adjective, dull, bad, flat, stupid) |
| burdensome(adjective, dull, boring, tedious, irritating) |
| characterless(adjective, dull, bad, flat, stupid) |
| chill(adjective, cool, flat, detached, blank) |
| clean(adjective, simple, flat, plain, ordinary) |
| clichéd(adjective, stupid, ordinary, commonplace, puny) |