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not have the foggiest idea

To have no knowledge or understanding about something. He does not have the foggiest idea how hard it is to run a business. I do not have the foggiest idea where I left my car keys.
See also: foggy, have, idea, not

not have the foggiest (notion)

To have no knowledge or understanding about something. He doesn't have the foggiest notion how hard it is to run a business. A: "Do you know where the car keys are?" B: "I haven't the foggiest, sorry."
See also: foggy, have, not

foggiest (idea)

Fig. (even) a hazy idea. (Usually in the negative.) I'm sorry I don't know. I haven't the foggiest. I don't have the foggiest idea of how to do this.
See also: foggy

not have the foggiest idea


not have the foggiest

COMMON If you do not have the foggiest idea or do not have the foggiest, you do not know anything at all about something. I did not have the foggiest idea what he meant. `How often does it need to be changed?' — `Haven't the foggiest.'
See also: foggy, have, idea, not

not have the foggiest (idea or notion)

have no idea at all. informal, chiefly British
See also: foggy, have, not

not have the ˈfaintest/ˈfoggiest (idea)

(British English, informal) have no idea at all about something; not know anything at all: I haven’t got the faintest idea what to buy Roger for his birthday.‘Where are we?’ ‘I’m afraid I haven’t the foggiest.’
See also: faint, foggy, have, not

the foggiest (idea)

n. (even) a hazy idea. (Usually in the negative.) I’m sorry I don’t know. I haven’t the foggiest.
See also: foggy, idea

the foggiest

See also: foggy
References in periodicals archive ?
The symptom that was by far the strongest predictor of protracted recovery was fogginess, with a z score of 4.
Many women are concerned by the decline in their memory that coincides with the peri-menopause and complain of symptoms of fogginess, poor memory recall, forgetfulness and fear that they are developing dementia or Alzheimer's disease.
gaps, and atmospheric fogginess of Morgan's agency are highly
The change in medication had alleviated many of his problems including his sleepiness and mental fogginess, his incontinence, and inability to walk.
Here too, however, there is a good bit of fogginess on the historical baseline: when and to what extent were phobias less common, and to what extent is the impression based on solid data rather than changes in diagnosis (themselves interesting, but rather a different matter)?
They help your concentration, enhance your good mood, and help clear up mental fogginess.
Their fogginess is partly understandable, because of Hogarth's multiplicity of detail and love of shadow in his paintings.
Finally, an essay by Jonathan Ribner on pollution in London throws light upon the prevailing industrial fogginess and gloom of the city.
The rates of hot flashes, disruptions to sleep and mental fogginess all show improvement with HRT.
First, untidiness can be a euphemism for irresponsibility and injustice of the most heinous sort, as in Secretary Rumsfeld's appeal to the fogginess of war and "untid[mess] of freedom" (cited in Conlogue and Mackinnon).
I don't know whether it is a case of mind over matter and it works because I believe it will work but it makes me feel lighter and seems to penetrate the fogginess in my head.
Perhaps the most illuminating section of the book is Chapter 4, in which Hunt transcribes the conferences Harper conducts with her students, confirming that individualized discussions can help to clear away patches of fogginess and can guide students to a more sophisticated level of comprehension and composition.
He could never make the adjustment from war, where the objective was always clear and the victory unambiguous, to the fogginess of peace.
I look back to my childhood, trying in that faraway fogginess to detect, and if I'm lucky, to solve the riddle of my life.
yet the several pages of notes, including aborted aphorisms, crossed-out poems, and fragmented pep-talks ("do not bolster and prop where there is no need for support"), falter forward to an unexpected climax in a "Modern Invocation," a poem in which the plainness of style dears the former fogginess of his first book so that we might hear the birds truly, as Williams imagines: