lose one's grip
Also lose it.
Fail to maintain control or one's ability to function, as in Ted wasn't running things the way he used to, and his boss thought he might be losing his grip, or I thought I was losing it when I couldn't remember the words to that old song. The first term dates from the mid-1800s, the slangy variant from the mid-1900s.
Fail to keep one's composure, as in When Billy broke the window, Dad just lost his grip and let him have it, or I just can't deal with this many visitors—I must be losing it. [Slang; first half of 1900s] Also see lose one's temper.
Words nearby lose one's grip
How to use lose one's grip in a sentence
Added to drinking water at concentrations of around one part per million, fluoride ions stick to dental plaque.
In his view, a writer has only one duty: to be present in his books.
Yet this, in the end, is a book from which one emerges sad, gloomy, disenchanted, at least if we agree to take it seriously.
The fear of violence should not determine what one does or does not say.
The al Qaeda-linked gunmen shot back, but only managed to injure one officer before they were taken out.
Practise gliding in the form of inflection, or slide, from one extreme of pitch to another.Expressive Voice Culture|Jessie Eldridge Southwick
He alludes to it as one of their evil customs and used by them to produce insensibility.
There was a rumor that Alessandro and his father had both died; but no one knew anything certainly.Ramona|Helen Hunt Jackson
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Under the one-sixth they appear as slender, highly refractive fibers with double contour and, often, curled or split ends.A Manual of Clinical Diagnosis|James Campbell Todd