Unseemly, a.
Not seemly; unbecoming; indecent. An unseemly outbreak of temper. Hawthorne.
1 other Webster entry under this spelling
Unseemly, adv.
In an unseemly manner.
Shades of meaning
Fernald lists unseemly only as an antonym, under becoming.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given