Meaning of the word "high and low" in English

What does "high and low" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

high and low

US /haɪ ənd loʊ/
UK /haɪ ənd loʊ/
"high and low" picture

Idiom

1.

everywhere; in many different places

Example:
I've searched high and low for my lost keys.
They looked high and low for the missing child.
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