| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | lively |
| Synonyms: | animated, chipper, dashing, effervescent, energetic, exuberant, full of life, high-spirited, playful, spirited, vivacious |
| Main Entry: | billowy |
| Part of Speech: | adjective |
| Definition: | surging |
| Synonyms: | bouncing, bouncy, bulgy, distended, ebbing and flowing, heaving, puffy, rippled, rippling, rising, rising and falling, rolling, swelling, swirling, swollen, undulating, waving, wavy |
| Main Entry: | boisterous |
| Part of Speech: | adjective |
| Definition: | noisy and mischievous |
| Synonyms: | bouncy, brawling, clamorous, disorderly, effervescent, impetuous, loud, obstreperous, rambunctious, raucous, riotous, rollicking, rowdy, strident, tumultous/tumultuous, unrestrained, unruly, uproarious, vociferant, vociferous, wild |
| Antonyms: | calm, quiet, restrained, silent |
| Main Entry: | buoyant |
| Part of Speech: | adjective |
| Definition: | light in weight |
| Synonyms: | afloat, airy, bouncy, floatable, floating, resilient, supernatant, unsinkable, weightless |
| Antonyms: | heavy, weighted |
| Main Entry: | buoyant |
| Part of Speech: | adjective |
| Definition: | light in spirit |
| Synonyms: | animated, blithe, bouncy, breezy, bright, carefree, cheerful, debonair, effervescent, elastic, expansive, full of zip, gay, happy, invigorated, jaunty, jovial, joyful, laid back, lighthearted, lively, peppy, resilient, sunny, supple, vivacious |
| Antonyms: | depressed, down, heavy, heavy-hearted |
| Main Entry: | cheerful |
| Part of Speech: | adjective |
| Definition: | happy |
| Synonyms: | airy, animated, blithe, bouncy, bright, bucked, buoyant, cheery, chipper, chirpy, contented, effervescent, enlivening, enthusiastic, full of pep, gay, glad, gladsome, good-humored, good-natured, hearty, high, hilarious, hopeful, in good spirits, in high spirits, jaunty, jocund, jolly, joyful, lighthearted, lively, merry, optimistic, peppy, perky, pleasant, roseate, rosy, sanguine, snappy, sparkling, sprightly, sunny, sunny side up, up*, upbeat, vivacious, winsome, zappy, zingy, zippy |
| Antonyms: | cheerless, depressed, gloomy, grave, heavy, melancholy, sad, serious, unhappy |
| Main Entry: | ebullient |
| Part of Speech: | adjective |
| Definition: | enthusiastic |
| Synonyms: | agitated, bouncy, brash, buoyant, chipper, chirpy, effervescent, effusive, elated, excited, exhilarated, exuberant, frothy, gushing, high-spirited, in high spirits, irrepressible, vivacious, zestful, zippy |
| Antonyms: | apathetic, disinterested, unenthusiastic |
| Main Entry: | effervescent |
| Part of Speech: | adjective |
| Definition: | fizzing, foaming |
| Synonyms: | airy, boiling, bouncy, bubbling, bubbly, carbonated, elastic, expansive, fermenting, frothing, frothy, resilient, sparkling, volatile |
| Antonyms: | flat, stale |
| Main Entry: | effervescent |
| Part of Speech: | adjective |
| Definition: | enthusiastic, vivacious |
| Synonyms: | animated, bouncy, brash, bubbly, buoyant, ebullient, excited, exhilarated, exuberant, gleeful, happy, high-spirited, hilarious, in high spirits, irrepressible, jolly, joyous, lively, merry, mirthful, sprightly, vital, zingy |
| Antonyms: | dull, inactive, serious, sober, unenthusiastic |