adjective

a brittle laugh or smile does not show real humour or happiness

adjective

a broad smile is very wide, showing that a person is very happy

adverb

if you smile broadly, you give a very wide and obvious smile

adjective

a cheesy smile is very obvious but looks false

adjective

showing a lot of your gums

the American spelling of humourless

adjective

a humourless smile or laugh expresses no pleasure

adjective

a lazy movement or smile is slow and relaxed

adjective

a mirthless smile or laugh expresses feelings such as anger or sadness

adjective

used for describing a mysterious smile or expression on a woman’s face

adjective

a sardonic smile, expression, or comment shows a lack of respect for what someone else has said or done

adjective

a set smile or expression does not change, and often hides what someone is really thinking

adjective

a sly smile, look, or remark shows that the person doing it knows something that other people do not know

adjective

if someone gives a thin smile, their lips move but the feeling is not sincere

adjective

if something such as your voice or smile is tremulous, it is not steady, for example because you are afraid or excited

adverb

adverb

adverb

with an obvious or silly smile

smiling a lot