cheerful

Someone who's cheerful is spirited and happy. Your sister might be so cheerful that you hear her whistling joyfully first thing in the morning.

If you're full of good humor and optimism, your friends probably describe you as cheerful. A cheerful bus driver, restaurant server, or calculus teacher can brighten your whole day. Cheerful means "full of cheer," and cheer, which came to mean "good mood or spirit," started out in the 13th century meaning "the face," from the Late Latin cara, "face," and its Greek root, kara, "head."

Definitions of cheerful
  1. adjective
    being full of or promoting cheer; having or showing good spirits
    “her cheerful nature”
    “a cheerful greeting”
    “a cheerful room”
    “as cheerful as anyone confined to a hospital bed could be”
    Synonyms:
    beaming, glad
    cheerful and bright
    beamish, smiling, twinkly
    smiling with happiness or optimism
    blithe, blithesome, light-hearted, lighthearted, lightsome
    carefree and happy and lighthearted
    buoyant, chirpy, perky
    characterized by liveliness and lightheartedness
    cheery, gay, sunny
    bright and pleasant; promoting a feeling of cheer
    chipper, debonair, debonaire, jaunty
    having a cheerful, lively, and self-confident air
    happy
    enjoying or showing or marked by joy or pleasure
    glad
    showing or causing joy and pleasure; especially made happy
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    Antonyms:
    cheerless, depressing, uncheerful
    causing sad feelings of gloom and inadequacy
    blue, dark, dingy, disconsolate, dismal, drab, drear, dreary, gloomy, grim, sorry
    causing dejection
    melancholy, somber, sombre
    grave or even gloomy in character
    unhappy
    experiencing or marked by or causing sadness or sorrow or discontent
    joyless
    not experiencing or inspiring joy
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  2. adjective
    pleasantly (even unrealistically) optimistic
    synonyms: pollyannaish, upbeat
    optimistic
    expecting the best in this best of all possible worlds
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