adjective, -li⋅er, -li⋅est, adverb | 1. | not seemly; not in keeping with established standards of taste or proper form; unbecoming or indecorous in appearance, speech, conduct, etc.: an unseemly act; unseemly behavior. |
| 2. | inappropriate for time or place: an unseemly hour. |
| 3. | in an unseemly manner. |