| unctuous(adjective, soft, honest, attitude, humble) |
| oily(adjective, smooth, honest, attitude, offensive) |
| slimy(adjective, smooth, offensive, coarse, excessive) |
| smooth(adjective, informal, offensive, coarse, charming) |
| sycophantic(adjective, smooth, soft, offensive, coarse) |
| fulsome(adjective, honest, attitude, sickening, unctuous) |
| fawning(adjective, excessive, flattering, immoderate, sycophantic) |
| hypocritical(adjective, smooth, offensive, coarse, excessive) |
| insincere(adjective, smooth, offensive, coarse, excessive) |
| buttery(adjective, smooth, offensive, coarse, excessive) |
| flattering(adjective, soft, humble, charming, slick) |
| obsequious(adjective, soft, humble, charming, slick) |
| oleaginous(adjective, smooth, honest, attitude, offensive) |
| ingratiating(adjective, soft, humble, charming, slick) |
| slick(adjective, smooth, offensive, coarse, charming) |
| servile(adjective, slick, flattering, slippery, sycophantic) |
| sleek(adjective, honest, attitude, unctuous) |
| soapy |
| suave(adjective, smooth, offensive, coarse, charming) |
| toadying(adjective, flattering, sycophantic, servile, obsequious) |