Under somebody’s nose

Pro Tip 1/3

Physical Closeness

This idiom emphasizes that something was very close physically but missed being noticed.

I searched the whole office for my phone, but it was under my nose, on my desk.

Pro Tip 2/3

Metaphorical Blindness

It implies that someone failed to see the obvious, as if they were blind to it.

The answer to the puzzle was under my nose, and I just didn't see it.

Pro Tip 3/3

Often Tangible

Usually refers to physical items, not abstract concepts or emotions.

She looked for her glasses everywhere, not realizing they were under her nose.