2something that is cheerful makes you feel happy because it is so bright or pleasant:
a bright, cheerful Italian restaurant
There was a cheerful picture on the wall.
The house has a cheerful atmosphere.
3tending to be happy most of the time:
She was a cheerful and agreeable companion.
Before the accident he had been cheerful and confident.
4 [only before noun]a cheerful attitude shows that you are willing to do whatever is necessary in a happy way:
a cheerful approach to the job
He smiled cheerfully.
'Morning!' she called cheerfully.
➔ cheap and cheerful
at cheap1 (1)WORD FOCUS: happy WORD FOCUS: happy cheerfulbehaving in a way that shows you are happy in a good moodhappy at a particular time, and therefore friendly to other people pleased/gladhappy because something good has happened delighted/thrilled/overjoyed/ecstaticvery happy because something good has happened contentedhappy with your life optimistic/positivebelieving that good things will happen in the future gleeful/gloatingsmughappy because something bad has happened to someone else ➔ See alsohappy
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.