sniffing
verb (present participle)UK /ˈsnɪfɪŋ/
US /ˈsnɪfɪŋ/
Sniffing is when you breathe in air through your nose to smell something.
The puppy was sniffing the flowers in the garden.
OTHER MEANINGS
2. The act of drawing air sharply through the nose, often because of a cold.
His constant sniffing made it clear he had a cold.
3. Looking for hidden information on a computer network.
The technician was sniffing the network to find the problem.
4. Secretly trying to find out private information about others.
She was sniffing around for gossip about the new neighbors.