UNGRACIOUS
discourteous, ungracious
(adjective) lacking social graces
ungracious
(adjective) lacking charm and good taste; “an ungracious industrial city”; “this curt summary is not meant to be ungracious”; “ungracious behavior”
Source: WordNet® 3.1
Etymology
Adjective
ungracious (comparative more ungracious, superlative most ungracious)
Not gracious; unkind or cold-hearted.
Source: Wiktionary
Un*gra"cious, a.
1. Not gracious; showing no grace or kindness; being without good
will; unfeeling. Shak.
2. Having no grace; graceless; wicked. [Obs.] Shak.
3. Not well received; offensive; unpleasing; unacceptable; not
favored.
Anything of grace toward the Irish rebels was as ungracious at Oxford
as at London. Clarendon.
– Un*gra"cious*ly, adv.
– Un*gra"cious*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition