Collins COBUILD Advanced Learner’s Dictionary

un|dis|tin|guished /ʌ nd I st I ŋgw I ʃt/ ADJ If you describe someone or something as undistinguished , you mean they are not attractive, interesting, or successful. □  …his short and undistinguished career as an art student.

un|dis|turbed /ʌ nd I stɜː ^r bd/

1 ADJ [v-link ADJ , ADJ after v, ADJ n] Something that remains undisturbed is not touched, moved, or used by anyone. □  The desk looked undisturbed. □  Peonies react badly to being moved and are best left undisturbed.

2 ADJ [v-link ADJ , ADJ after v, ADJ n] A place that is undisturbed is peaceful and has not been affected by changes that have happened in other places. □  In the Balearics, pockets of rural life and inland villages are undisturbed. □  The war had not left Bargate undisturbed.

3 ADJ [ADJ after v, ADJ n, v-link ADJ ] If you are undisturbed in something that you are doing, you are able to continue doing it and are not affected by something that is happening. □  I can spend the whole day undisturbed at the warehouse. □  There was a small restaurant on Sullivan Street where we could talk undisturbed. □  They want undisturbed rest.

4 ADJ If someone is undisturbed by something, it does not affect, bother, or upset them. □ [+ by ] Victoria was strangely undisturbed by this symptom.

un|di|vid|ed /ʌ nd I va I d I d/

1 ADJ [usu ADJ n] If you give someone or something your undivided attention, you concentrate on them fully and do not think about anything else. □  Eldest children are the only ones to have experienced the undivided attention of their parents. □  …any task that requires undivided concentration.

2 ADJ [usu ADJ n] Undivided feelings are ones that are very strong and not mixed with other feelings. □  The paintings she produced in those months won undivided admiration. □  He has my undivided loyalty.

3 ADJ An undivided country or organization is one that is not separated into smaller parts or groups. □  Many feel this should be a single, undivided country of its own. □  …the goal of an undivided Church.

undo /ʌ nduː / (undoes , undoing , undid , undone )

1 VERB If you undo something that is closed, tied, or held together, or if you undo the thing holding it, you loosen or remove the thing holding it. □ [V n] I managed secretly to undo a corner of the parcel. □ [V -ed] Some clamps that had held the device together came undone.

2 VERB To undo something that has been done means to reverse its effect. □ [V n] She knew it would be difficult to undo the damage that had been done. □ [V n] If Michael won, he would undo everything I have fought for.

3 → see also undoing , undone

un|do|ing /ʌ nduː I ŋ/

1 N‑SING [with poss] If something is someone's undoing , it is the cause of their failure. □  His lack of experience may prove to be his undoing.

2 → see also undo

un|done /ʌ ndʌ n/

1 ADJ [ADJ after v] Work that is undone has not yet been done. □  He left nothing undone that needed attention.

2 → see also undo

un|doubt|ed /ʌndaʊ t I d/ ADJ [usu ADJ n] You can use undoubted to emphasize that something exists or is true. [EMPHASIS ] □  The event was an undoubted success. □  …a man of your undoubted ability. ●  un|doubt|ed|ly ADV [ADV before v] □  Undoubtedly, political and economic factors have played their part. □  Hanley is undoubtedly a great player.