from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Being in good spirits; merry. See Synonyms at glad1.
- adj. Promoting a feeling of cheer; pleasant: a cozy, cheerful room.
- adj. Reflecting willingness or good humor: contributed her cheerful labor to the project.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Noticeably happy and optimistic.
- adj. Bright and pleasant
from the GNU version of the Collaborative International Dictionary of English
- adj. Having or showing good spirits or joy; cheering; cheery; contented; happy; joyful; lively; animated; willing.
from The Century Dictionary and Cyclopedia
- Of good cheer; having good spirits; gay; lively: said of persons.
- Cordially willing; genial in action; hearty; ungrudging.
- Characterized by or expressive of good spirits; associated with agreeable feelings; lively; animated: as, cheerful songs.
- Promoting or causing cheerfulness; gladdening; animating; genial: as, the cheerful sun; a cheerful fire.
- Synonyms Lightsome, gleeful, blithe, airy, sprightly, jocund, jolly, buoyant. See cheery.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. pleasantly (even unrealistically) optimistic
- adj. being full of or promoting cheer; having or showing good spirits
cheer + -ful (Wiktionary)