Collins COBUILD Advanced Learner’s Dictionary

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.

un|asked /ʌ nɑː skt, -æ skt/

1 ADJ An unasked question is one that has not been asked, although people are wondering what the answer is. □  She was undernourished, an observation that prompted yet another unasked question. □  Significant questions will go unasked.

2 ADJ [ADJ after v] If someone says or does something unasked , they say or do it without being asked to do it. □  His advice, offered to her unasked, was to stay home and make the best of things.

un|as|sail|able /ʌ nəse I ləb ^ə l/ ADJ If you describe something or someone as unassailable , you mean that nothing can alter, destroy, or challenge them. □  That was enough to give her an unassailable lead. □  His legal position is unassailable.

un|as|sist|ed /ʌ nəs I st I d/ ADJ [ADJ after v, ADJ n] If you do something unassisted , you do it on your own and no-one helps you. □  At other times, he'd force her to walk totally unassisted. □  …a mother who has had an unassisted delivery.

un|as|sum|ing /ʌ nəsjuː m I ŋ, [AM ] -suː m-/ ADJ If you describe a person or their behaviour as unassuming , you approve of them because they are quiet and do not try to appear important. [APPROVAL ] □  He's a man of few words, very polite and unassuming.

un|at|tached /ʌ nətæ tʃt/ ADJ Someone who is unattached is not married or does not have a girlfriend or boyfriend. □  I knew only two or three unattached men.

un|at|tain|able /ʌ nəte I nəb ^ə l/ ADJ If you say that something is unattainable , you mean that it cannot be achieved or is not available. □  There are those who argue that true independent advice is unattainable. □  …an unattainable dream.

un|at|tend|ed /ʌ nəte nd I d/ ADJ [ADJ after v, ADJ n, v-link ADJ ] When people or things are left unattended , they are not being watched or looked after. □  Never leave young children unattended near any pool or water tank. □  An unattended bag was spotted near the platform.

un|at|trac|tive /ʌ nətræ kt I v/

1 ADJ Unattractive people and things are unpleasant in appearance. □  I'm 27, have a nice flat, a good job and I'm not unattractive. □  …an unattractive and uninteresting city.

2 ADJ If you describe something as unattractive , you mean that people do not like it and do not want to be involved with it. □ [+ to ] The market is still unattractive to many insurers. □  It is not an unattractive option to make programmes for other companies.

un|author|ized /ʌ nɔː θəra I zd/ in BRIT, also use unauthorised ADJ If something is unauthorized , it has been produced or is happening without official permission. □  …the unauthorized use of a military vehicle. □  It has also been made quite clear that the trip was unauthorised.

un|avail|able /ʌ nəve I ləb ^ə l/ ADJ [usu v-link ADJ ] When things or people are unavailable , you cannot obtain them, meet them, or talk to them. □  Mr Hicks is out of the country and so unavailable for comment. □  Basic food products are frequently unavailable in the state shops.