untoward vs unseemly

untoward and unseemly both are adjectives.

Word	Noun	Adjective	Verb	Adverb
untoward	No	Yes	No	No
unseemly	No	Yes	No	No

As adjectives, untoward and unseemly are synonyms defined as:

untoward and unseemly: not in keeping with accepted standards of what is right or proper in polite society

Other synonyms of untoward include indecent, indecorous, unbecoming, uncomely.

untoward (adjective)	unseemly (adjective)
not in keeping with accepted standards of what is right or proper in polite society	not in keeping with accepted standards of what is right or proper in polite society
contrary to your interests or welfare