Collins COBUILD Advanced Learner’s Dictionary

un|im|peach|able /ʌ n I mpiː tʃəb ^ə l/ ADJ If you describe someone as unimpeachable , you mean that they are completely honest and reliable. [FORMAL ] □  He said all five were men of unimpeachable character. □  …an unimpeachable source.

un|im|ped|ed /ʌ n I mpiː d I d/ ADJ [ADJ after v, ADJ n, v-link ADJ ] If something moves or happens unimpeded , it continues without being stopped or interrupted by anything. [FORMAL ] □  We drove, unimpeded by anyone, to Arras. □  He promised to allow justice to run its course unimpeded. □  U.N. aid convoys have unimpeded access to the city.

un|im|por|tant /ʌ n I mpɔː ^r t ^ə nt/ ADJ If you describe something or someone as unimportant , you mean that they do not have much influence, effect, or value, and are therefore not worth serious consideration. □  It was an unimportant job, and paid very little. □  When they had married, six years before, the difference in their ages had seemed unimportant.

un|im|pressed /ʌ n I mpre st/ ADJ [v-link ADJ ] If you are unimpressed by something or someone, you do not think they are very good, clever, or useful. □ [+ by ] He was also very unimpressed by his teachers. □ [+ with ] Graham Fletcher was unimpressed with the idea of filling in a lengthy questionnaire.

un|im|pres|sive /ʌ n I mpre s I v/ ADJ If you describe someone or something as unimpressive , you mean they appear very ordinary, without any special or exciting qualities. □  The team have looked unimpressive over recent weeks. □  Rainey was an unimpressive, rather dull lecturer.

un|in|formed /ʌ n I nfɔː ^r md/ ADJ If you describe someone as uninformed , you mean that they have very little knowledge or information about a particular situation or subject. □ [+ about ] He could not complain that he was uninformed about the true nature of the regime. □  Cases of child abuse often go unreported or ignored by uninformed citizens.

un|in|hab|it|able /ʌ n I nhæ b I təb ^ə l/ ADJ If a place is uninhabitable , it is impossible for people to live there, for example because it is dangerous or unhealthy. □  As parts of the world become uninhabitable, millions of people will try to migrate. □  …a young couple turning an uninhabitable wreck into their first home.

un|in|hab|it|ed /ʌ n I nhæ b I t I d/ ADJ An uninhabited place is one where nobody lives. □  …an uninhabited island in the North Pacific. □  The area is largely uninhabited.

un|in|hib|it|ed /ʌ n I nh I b I t I d/ ADJ If you describe a person or their behaviour as uninhibited , you mean that they express their opinions and feelings openly, and behave as they want to, without worrying what other people think. □  …a commanding and uninhibited entertainer. □  The dancing is uninhibited and as frenzied as an aerobics class.

un|ini|ti|at|ed /ʌ n I n I ʃie I t I d/ N‑PLURAL You can refer to people who have no knowledge or experience of a particular subject or activity as the uninitiated . □  For the uninitiated, Western Swing is a fusion of jazz, rhythm & blues, rock & roll and country music. ● ADJ Uninitiated is also an adjective. □ [+ in ] For those uninitiated in scientific ocean drilling, the previous record was a little over 4 km.

un|in|jured /ʌ n I ndʒə ^r d/ ADJ [ADJ after v, v-link ADJ ] If someone is uninjured after an accident or attack, they are not hurt, even though you would expect them to be. □  A passenger in the van was uninjured in the accident.