| Voluble | talkative |
| Voluminous | very large; spacious |
| Voracious | ravenous |
| Waive | surrender; give up |
| Wane | grow less |
| Wary | hesitant; cautious |
| Wax | to increase; to grow |
| Waylay | accost; stop; approach; hinder |
| Weighty | serious |
| Whelp | young dog |
| Whet | sharpen |
| Whimsical | capricious; changeable |
| Willful | stubborn |
| Wily | cunning |
| Wispy | flimsy; frail; delicate |
| Wistful | melancholy; pensive; expressing a longing for |
| Zany | crazy; wacky |
| Zeal | enthusiasm |
| Zealot | fanatic |
| Zenith | summit |
