Idioms Beginning with U

Here, you will find idioms starting with U.

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Examples of Idioms Starting with U

Umpteen: a made-up number that is used to describe an unspecified large amount of something; too many to count; innumerable; plentiful.

Under One’s Breath: to speak very softly, in a whisper or undertone.

Under the Aegis of Someone: to have the financial or moral support of someone or to be sponsored or protected by them.

Under the Impression: to think, assume, or believe something is the case, usually mistakenly.

Under the Table: in secret and often illegally.

Up and About: to have gotten out of bed, perhaps after an illness or a long period of recovery; to have resumed one’s normal life after a period of illness; to be active again; to be out of bed.

Up In Arms, about something:  to be angrily protesting something in a quite public manner; to be openly rebellious.

Up in The Air: something undecided, uncertain, or unresolved.

Up The Creek (Without a Paddle): to be in trouble, in a serious predicament, or an awkward position.

Up to One’s Ears: to be extremely busy or preoccupied with something; too have too much of something.

Use It or Lose It: a phrase describing how you will lose a skill if you do not practice it; how fitness will decline without exercise; something being available for use for a limited time.