sniff out

verb — 2 senses

sniff out

verb
1

To find (something) by using the sense of smell.

  • Because they have far more powerful noses than humans, dogs are ideal to sniff out drugs.
2

Broadly, Figuratively To detect (something hidden or invisible).

  • Near-synonyms: ferret out, weasel out
  • Luisa Rey plays the ditzy reporter on her best behavior to assure Fay Li she poses no threat. Only then might she be given a free enough rein to sniff out Sixsmith’s fellow dissidents.2004, David Mitchell, “Half-Lives: The First Luisa Rey Mystery”, in Cloud Atlas, →ISBN, page 130:
Related terms
scent hound, suss out

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.