From Longman Dictionary of Contemporary Englishin no uncertain termsin no uncertain termsCLEAR/EASY TO UNDERSTANDif you tell someone something in no uncertain terms, you tell them very clearly without trying to be polite I told Colin in no uncertain terms what I thought of him. → uncertain
Examples from the Corpus
in no uncertain terms• But DuPonceau does venture to contradict, and in no uncertain terms.• He had found them scruffy, and had said so in no uncertain terms.• She wanted nothing at all from her father and she was about to tell Alain Lemarchand so in no uncertain terms.• This means that we are going to lock you up, in no uncertain terms.• Well, there was nothing for it, I had to lay down the law in no uncertain terms.• What is more, she said so - in no uncertain terms.• That night they told her, in no uncertain terms, to go for it.• Those coming into leadership are told in no uncertain terms what their task is to be. 