Ugly (Adjective) - कुरूप/घृणित/निन्दनीय
Antonyms:Beautiful/Attractive/Pleasant/Friendly.

Ulterior (Adjective) - दूर का/दूरस्थ
Antonyms:Overt/Obvious.

Ultimate (Adjective) - अंतिम/पिछला/अंत का
Antonyms:First/Secondary/Minimum.

Underhand (Adjective) - गुप्त
Antonyms:Honest/Honourable/Fair/Above-board.

Understand (Verb) - समझना/जानना
Antonyms:Misunderstand/Ignore.

Understanding (Noun) - समझ/ज्ञान
Antonyms:Ignorance/Misunder standing.

Union (Noun) - संघ/मेल-मिलाप
Antonyms:Separation/Parting/Divorce/Disagreement.

Unite (Verb) - एकत्र करना/मिलना जोड़ना
Antonyms:Separate/Split/Divorce.

Unity (Noun) - मेल/एकता
Antonyms:Division/Discord/Disunity.

Universal (Adjective) - सर्वव्यापी
Antonyms:Particular/Restricted/Local.

Upgrade (Verb) - पद से नीचे करना
Antonyms:Downgrade/Demote.

Uphold (Verb) - समर्थन करना/बढ़ना/सहारा देना
Antonyms:Oppose/Discard.

Up-Per (Adjective) - ऊपर का/ऊपरी
Antonyms:Lower/Inferior.

Upto-date (Adjective) - प्रचलित
Antonyms:Out of Date/Outdate/Old-fashioned.

Upward (Adjective) - ऊपर की ओर
Antonyms:Downward.

Urgent (Adjective) - आवश्यक
Antonyms:Unimportant/Trivial/Casual.