| Main Entry: | |
| Part of Speech: | verb |
| Definition: | bubble |
| Synonyms: | buzz, effervesce, fizzle, froth, hiss, seethe, sibilate, simmer, sparkle, sputter, whisper, whoosh |
| Antonyms: | be flat |
| Main Entry: | rustle |
| Part of Speech: | verb |
| Definition: | swish, whisper |
| Synonyms: | crackle, crepitate, crinkle, hum, murmur, patter, sigh, stir, tap, whir, whish, whoosh |
| Main Entry: | whiz |
| Part of Speech: | verb |
| Definition: | move quickly by |
| Synonyms: | bullet, buzz, dart, flit, fly, hiss, hum, hurry, hurtle, race, speed, swish, whir, whirl, whisk, whoosh, zip |
| Antonyms: | decelerate |
| Main Entry: | sibilate |
| Part of Speech: | verb |
| Definition: | hiss |
| Synonyms: | blow*, boo, catcall, condemn, damn*, decry, deride, disapprove, fizz, fizzle, hoot, jeer, mock, rasp, revile, seethe, shout down, shrill, siss, sizzle, spit, swish, wheeze, whirr, whisper, whistle, whiz, whoosh |