What is the antonym of sniffle?

There isn't a single perfect antonym for "sniffle," as it can refer to both a physical act and a feeling. Here are some options depending on the context:

Physical act:

* Blow: To blow your nose forcefully.

* Clear: To clear your nose of congestion.

* Sneeze: A forceful expulsion of air from the nose and mouth.

Feeling:

* Cheerful: To feel happy and optimistic.

* Robust: To feel healthy and strong.

* Well: To feel healthy and free from illness.

* Energetic: To feel full of life and vitality.

Context matters:

* If someone is "sniffling" because they have a cold, the antonym might be "healthy" or "well."

* If someone is "sniffling" because they are sad, the antonym might be "happy" or "cheerful."

Ultimately, the best antonym for "sniffle" will depend on the specific context in which it is used.