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Longman Dictionary of Contemporary English
▪ an unambiguous message
▪ In last night's speech, the president finally made an unambiguous statement on the issue of taxes.
▪ Safety guidelines need to be plain and unambiguous.
▪ He speaks in tones which, whatever else can be said of them, are unambiguous.
▪ It might be thought that such tenets were unambiguous enough in a democracy to be assured the most rigorous defence.
▪ Needless to say, the police were already familiar with the thief and absolutely delighted upon the production of such unambiguous evidence.
▪ Such communications should be clear and unambiguous.
▪ There are possible offsetting arguments concerning internal structure, but these are in any case not unambiguous in their directional effect.
▪ There is no Truth, nor any unambiguous criterion for agreeing upon what constitutes correct knowledge about society.
▪ There is therefore an unambiguous increase in both wages and membership, as illustrated in Fig. 3.
Douglas Harper's Etymology Dictionary

1630s, from un- (1) "not" + ambiguous. Related: Unambiguously; unambiguousness.


a. clear, and having no uncertainty or ambiguity

  1. adj. having or exhibiting a single clearly defined meaning; "As a horror, absolutely unambiguous"- Mario Vargas Llosa [ant: ambiguous]

  2. admitting of no doubt or misunderstanding; having only one meaning or interpretation and leading to only one conclusion; "unequivocal evidence"; "took an unequivocal position"; "an unequivocal success"; "an unequivocal promise"; "an unequivocal (or univocal) statement" [syn: unequivocal, univocal] [ant: equivocal]

Usage examples of "unambiguous".

Perhaps the present generation may yet behold the accomplishment of the prediction, of a rare prediction, of which the style is unambiguous and the date unquestionable.

As a result, the absolute frequency of the sound is ambiguous, even though its value modulo octaves is unambiguous.

So whereas the dream itself presented a single, multivalent image, I now have several definite, unambiguous figures, standing side-by-side in my intellect.

In a characteristically spirited, unambiguous letter, Adams made the case for revaluation and for no preferred treatment for French merchants, his purpose being to make clear his own views and those, he was sure, of Congress and the American people.

He was under direct and unambiguous orders from Ananke Herself to stop his actors in midscene.

But Barnett also chose not to make a clear, unambiguous plea for the fighting to stop at Oxford.

Everything we might complain about in the computer -- its insistence upon dealing with abstractions, its reduction of the qualitative to a set of quantities, its insertion of a nonspatial but effective distance between users, its preference for unambiguous and efficiently manipulative relationships in all undertakings -- these computational traits have long been tendencies of our own thinking and behavior, especially as influenced by science.

It will also be requisite to secure by formal agreements that the guarantee shall cease, and the grants of land for railway purposes revert to the grantors, in case of the permanent abandonment of the undertaking, of which abandonment some unambiguous test should be prescribed, such as the suspension of through communication for a stated period.

The Chair concurs that we ought to have some permanent, indestructable, unambiguous, simple way to anticipate the rogue planet's return.

She found refuge in the kids' room, on the edge of Cammie's bed, in the furry maternal softness of Mister Mac the talking bear, the sunny unambiguous cheer of the furnishings, an all-enveloping baking-bread aroma of small children, the consolation of domestic detail, neglected crannies where grace dwelt, as crisis proved time and time again, the moment when Garrett first struck her as tangibly present as the baby blue rocking chair in which she sang Bas to sleep on nights of fear for both mother and son.

The attendants spoke an artificial language, very simple and unambiguous, like deaf-mute sign language.

All were carefully chosen to offer the most unambiguous and unsympathetic villains, the most egregious flaunting of civil authority, the greatest threat to innocents, the greatest likelihood of success, and the best opportunities for favorable media play.

Proof that it had actually happened would require at least to show one unambiguous continuum of transitional species possessing an incontestable progression of graduations from one type to another.

With some such Great Year, we might measure out our destiny in unambiguous and precise terms, now and for all time to come.

It would have been better if he'd been born here on Grayson, of course, but the bloodline and order of succession would have been clear and unambiguous.