Cheerful vs. Happy

Difference Between Cheerful and Happy
Cheerfuladjective
Noticeably happy and optimistic.
Happyadjective
Having a feeling arising from a consciousness of well-being or of enjoyment; enjoying good of any kind, such as comfort, peace, or tranquillity; blissful, contented, joyous.
Music makes me feel happy.Cheerfuladjective
Bright and pleasant.
They enjoyed a cheerful room.Happyadjective
Experiencing the effect of favourable fortune; favored by fortune or luck; fortunate, lucky, propitious.
Cheerfuladjective
being full of or promoting cheer; having or showing good spirits;
her cheerful naturea cheerful greetinga cheerful roomas cheerful as anyone confined to a hospital bed could beHappyadjective
Content, satisfied (with or to do something); having no objection (to something).
Are you happy to pay me back by the end of the week?Yes, I am happy with the decision.Cheerfuladjective
pleasantly (even unrealistically) optimistic
Happyadjective
Of acts, speech, etc.: appropriate, apt, felicitous.
a happy coincidenceHappyadjective
(in combination) Favoring or inclined to use.
slaphappy, trigger-happyHappyadjective
(rare) Of persons, especially when referring to their ability to express themselves (often followed by at or in): dexterous, ready, skilful.
Happynoun
preceded by the: happy people as a group.
Happynoun
A happy event, thing, person, etc.
Happyverb
(intransitive) Often followed by up: to become happy; to brighten up, to cheer up.
Happyverb
(transitive) Often followed by up: to make happy; to brighten, to cheer, to enliven.
Happyadjective
enjoying or showing or marked by joy or pleasure or good fortune;
a happy smilespent many happy days on the beacha happy marriageHappyadjective
experiencing pleasure or joy;
happy you are herepleased with the good newsHappyadjective
marked by good fortune;
a felicitous lifea happy outcomeHappyadjective
satisfied; enjoying well-being and contentment;
felt content with her lotquite happy to let things go on as they areHappyadjective
exaggerated feeling of well-being or elation
Happyadjective
well expressed and to the point;
a happy turn of phrasea few well-chosen wordsa felicitous comment