hunt high and low (for someone or something)
To look absolutely everywhere for someone or something. We've been hunting high and low for an apartment we can afford, but the housing market in this town is atrocious. I hunted high and low, but I couldn't find my passport anywhere.
hunt high and low (for someone or something)
and look high and low (for someone or something); search high and low (for someone or something)Fig. to look carefully in every possible place for someone or something. We looked high and low for the right teacher. The Smiths are searching high and low for the home of their dreams.