2 ADJ If you describe someone as unaffected , you mean that they are natural and genuine in their behaviour, and do not act as though they are more important than other people. [APPROVAL ] □ …this unaffected, charming couple.
un|afraid /ʌ nəfre I d/ ADJ [v-link ADJ , ADJ after v, ADJ to-inf] If you are unafraid to do something, you are confident and not at all nervous about doing it. □ [+ of ] He is a man with a reputation for being tough and unafraid of unpopular decisions. □ She was a forceful intellectual unafraid to speak her mind.
un|aid|ed /ʌ ne I d I d/ ADJ [usu ADJ after v, oft ADJ n] If you do something unaided , you do it without help from anyone or anything else. □ There had been at least thirteen previous attempts to reach the North Pole unaided.
un|al|loyed /ʌ nəlɔ I d/ ADJ [usu ADJ n] If you describe a feeling such as happiness or relief as unalloyed , you are emphasizing that it is a strong feeling and no other feeling is involved. [LITERARY , EMPHASIS ] □ …an occasion of unalloyed joy.
un|al|ter|able /ʌ nɔː ltərəb ə l/ ADJ [usu ADJ n] Something that is unalterable cannot be changed. □ …an unalterable fact of life.
un|al|tered /ʌ nɔː ltə r d/ ADJ [v-link ADJ , ADJ after v, ADJ n] Something that remains unaltered has not changed or been changed. □ The rest of the apartment had fortunately remained unaltered since that time. □ These were my opinions, and they continue unaltered.
un|am|bigu|ous /ʌ næmb I gjuəs/ ADJ If you describe a message or comment as unambiguous , you mean that it is clear and cannot be understood wrongly. □ …an election result that sent the party an unambiguous message. ● un|am|bigu|ous|ly ADV [usu ADV with v, oft ADV adj] □ He has failed to dissociate himself clearly and unambiguously from the attack.
un|am|bi|tious /ʌ næmb I ʃəs/
1 ADJ An unambitious person is not particularly interested in improving their position in life or in being successful, rich, or powerful.
2 ADJ An unambitious idea or plan is not very complicated, risky, or new, and is easy to carry out successfully.
una|nim|ity /juː nən I m I ti/ N‑UNCOUNT When there is unanimity among a group of people, they all agree about something or all vote for the same thing. □ All decisions would require unanimity.
unani|mous /juːnæ n I məs/
1 ADJ [usu v-link ADJ , ADJ that] When a group of people are unanimous , they all agree about something or all vote for the same thing. □ [+ in ] Editors were unanimous in their condemnation of the proposals. □ They were unanimous that Chortlesby Manor must be preserved. ● unani|mous|ly ADV [ADV with v] □ Today its executive committee voted unanimously to reject the proposals. □ The board of ministers unanimously approved the project last week.
2 ADJ A unanimous vote, decision, or agreement is one in which all the people involved agree. □ …the unanimous vote for Petra as President. □ Their decision was unanimous.
un|an|nounced /ʌ nənaʊ nst/ ADJ [usu ADJ after v, ADJ n, oft v-link ADJ ] If someone arrives or does something unannounced , they do it unexpectedly and without anyone having being told about it beforehand. □ He had just arrived unannounced from South America. □ My first night in Saigon I paid an unannounced visit to my father's cousins.
un|an|swer|able /ʌ nɑː nsərəb ə l, -æ ns-/
1 ADJ If you describe a question as unanswerable , you mean that it has no possible answer or that a particular person cannot possibly answer it. □ They would ask their mother unanswerable questions.
2 ADJ If you describe a case or argument as unanswerable , you think that it is obviously true or correct and that nobody could disagree with it. □ The argument for recruiting McGregor was unanswerable.
un|an|swered /ʌ nɑː nsə r d, -æ ns-/ ADJ [v-link ADJ , ADJ n, ADJ after v] Something such as a question or letter that is unanswered has not been answered. □ Some of the most important questions remain unanswered. □ He had always had difficulty leaving questions unanswered.
un|ap|peal|ing /ʌ nəpiː l I ŋ/ ADJ If you describe someone or something as unappealing , you find them unpleasant and unattractive. □ He's wearing a deeply unappealing baseball hat. □ The town is scruffy and unappealing.
un|ap|pe|tiz|ing /ʌ næ p I ta I z I ŋ/ in BRIT, also use unappetising ADJ If you describe food as unappetizing , you think it will be unpleasant to eat because of its appearance. □ …cold and unappetizing chicken.
un|ap|proach|able /ʌ nəproʊ tʃəb ə l/ ADJ If you describe someone as unapproachable , you mean that they seem to be difficult to talk to and not very friendly.
un|ar|gu|able /ʌ nɑː r gjuəb ə l/ ADJ If you describe a statement or opinion as unarguable , you think that it is obviously true or correct and that nobody could disagree with it. □ He is making the unarguable point that our desires and preferences have a social component. ● un|ar|gu|ably /ʌ nɑː r gjuəbli/ ADV □ He is unarguably an outstanding man.
un|armed /ʌ nɑː r md/ ADJ If a person or vehicle is unarmed , they are not carrying any weapons. □ The soldiers concerned were unarmed at the time. □ Thirteen unarmed civilians died in that attack. ● ADV [ADV after v] Unarmed is also an adverb. □ He says he walks inside the prison without guards, unarmed.
un|ashamed /ʌ nəʃe I md/ ADJ If you describe someone's behaviour or attitude as unashamed , you mean that they are open and honest about things that other people might find embarrassing or shocking. □ I grinned at him in unashamed delight. □ [+ of ] …a man rightly unashamed of his own talent. ● un|asham|ed|ly /ʌ nəʃe I m I dli/ ADV [ADV with v] □ He hugged the man and wept unashamedly.