ungual (adj.) ungrateful (adj.) ungrammatical (adj.) ungracious (adj.) ungraceful (adj.) ungoverned (adj.) ungovernable (adj.) ungodly (adj.) unglue (v.) ungird (v.) ungentlemanly (adj.) ungainly (adj.) unfurnished (adj.) unfurl (v.) unfunny (adj.) unfunded (adj.) unfulfilled (adj.) unfruitful (adj.) unfriendly (adj.) unfriend (v.)