A faint smile. / A suppressed or forced smile.

plural of semi-smile

The situation in which a patient with crush syndrome is cheerful before extrication, but dies shortly thereafter when the crushing pressure is suddenly released.

Alternative form of half smile

A short-lived, partial, or seemingly uncertain smile.

plural of Duchenne smile

plural of half smile

plural of half-smile

(advertising) The depiction of people enjoying a product, rather than a mere exposition of the product's benefits.

To smile while smirking