| loser(adjective, out, gross, lousy, unattractive) |
| lousy(adjective, out, gross, unattractive, hated) |
| lukewarm(adjective, calm, weak, smooth, soft) |
| lymphatic(adjective, weak, easy, slow, heavy) |
| measly(adjective, light, small, insignificant, unimportant) |
| medium(adjective, calm, weak, smooth, soft) |
| meek(adjective, weak, puny, timid, lackluster) |
| mellow(adjective, calm, weak, smooth, soft) |
| milk-and-water(adjective, dull, weak, plain, mild) |
| minor(adjective, light, small, insignificant, unimportant) |
| mistrustful(adjective, uncertain, nervous, doubtful, shaky) |
| moderate(adjective, calm, weak, smooth, soft) |
| mollifying(adjective, weak, smooth, soft, pleasant) |
| monotonous(adjective, dull, weak, plain, mild) |
| moony(adjective, dull, weak, easy, slow) |
| namby-pamby |
| nebbish(adjective, dull, weak, easy, slow) |
| negligible(adjective, light, small, insignificant, unimportant) |
| no biggie(expression, adjective, insignificant, unimportant, trivial) |
| nonirritating(adjective, calm, weak, smooth, soft) |