| enfeeble(verb, stop, dull, hurt, weak) |
| free-spoken(adjective, artlessness) |
| insensitive(adjective, dull, sharp, careless, thoughtless) |
| lessen(verb, calm, dull, quiet, check) |
| moderate(verb, calm, dull, check, ease) |
| plainspoken(adjective, open, easy, honest, plain) |
| reduce(verb, calm, dull, quiet, check) |
| sap(verb, stop, dull, hurt, ruin) |
| sharp(adjective, severe, rough, rude, short) |
| stupefy(verb, dull, quiet, develop, drug) |
| artless(adjective, open, direct, free, easy) |
| boorish(adjective, dull, hard, tough, harsh) |
| brash(adjective, thoughtless, brazen, crass, tactless) |
| damp(verb, dull, quiet, diminish, abate) |
| hard(adjective, tough, severe, harsh, plain) |
| inconsiderate(adjective, hard, tough, harsh, rude) |
| severe(adjective, hard, tough, severe, harsh) |
| slow(verb, adjective, dull, quiet, diminish) |
| undermine(verb, stop, dull, hurt, ruin) |
| undiplomatic(adjective, careless, thoughtless, inconsiderate, crass) |