Antonyms of adj ungracious

2 senses of ungracious

Sense 1
ungracious (vs. gracious) -- (lacking charm and good taste; "an ungracious industrial city"; "this curt summary is not meant to be ungracious"; "ungracious behavior")

gracious (vs. ungracious) -- (characterized by charm, good taste, and generosity of spirit; "gracious even to unexpected visitors"; "gracious living"; "he bears insult with gracious good humor")
        => elegant, graceful, refined -- (suggesting taste, ease, and wealth)
        => merciful -- ((used conventionally of royalty and high nobility) gracious; "our merciful king")

Sense 2
discourteous, ungracious -- (lacking social graces)

INDIRECT (VIA impolite) -> polite -- (showing regard for others in manners, speech, behavior, etc.)

Similarity of adj ungracious

2 senses of ungracious

Sense 1
ungracious (vs. gracious) -- (lacking charm and good taste; "an ungracious industrial city"; "this curt summary is not meant to be ungracious"; "ungracious behavior")
       => churlish -- (rude and boorish)
       => graceless, unpleasing -- (lacking graciousness; "a totally graceless hostess")
          Also See-> unrefined#2

Sense 2
discourteous, ungracious -- (lacking social graces)
       => impolite (vs. polite) -- (not polite)