| lifeless(adjective, dull, simple, flat, clean) |
| light(adjective, weak, smooth, pleasant, gentle) |
| lowly(adjective, quiet, simple, gentle, clean) |
| lukewarm(adjective, weak, smooth, pleasant, gentle) |
| lusterless(adjective, dull, simple, flat, clean) |
| matte(adjective, dull, flat, boring, lifeless) |
| matter(noun, materiality) |
| matter-of- fact(expression, adjective, simple, flat, clean) |
| meal(noun, support, drink, nutrition, feed) |
| medium(adjective, weak, smooth, pleasant, gentle) |
| meek(adjective, quiet, gentle, humble, shy) |
| meekest |
| menu(noun, support, drink, nutrition, feed) |
| mess(noun, support, drink, nutrition, feed) |
| mild(adjective, dull, quiet, weak, pleasant) |
| milk-and-water(adjective, dull, weak, plain, mild) |
| mollifying(adjective, weak, smooth, pleasant, gentle) |
| monotonous(adjective, dull, weak, simple, plain) |
| moveable feast(noun, expression, drink, nutrition, feed) |
| mundane(adjective, dull, simple, plain, stupid) |