- Worldwide Adj. Adv.
- Worriedly Adv.
- Worrisomely Adv.
- Worryingly Adv.
- Worse Adj. Adv. Subst. Verb
- Worshipfully Adv.
- Worst Adj. Subst. Adv. Verb
- Worthily Adv.
- Worthlessly Adv.
- Woundedly Adv.
- Woundingly Adv.
- Woundy Adj. Adv.
- WPM Subst. Adv.
- Wrathfully Adv.
- Wrathily Adv.
- Wretchedly Adv.
- Writhingly Adv.
- Wrong Adj. Subst. Adv. Verb Inter.
- Wrongfully Adv.
- Wrongheadedly Adv.
- Wrongly Adv.
- Wryly Adv.
- Xenically Adv.
- Xenographically Adv.
- Xenophobically Adv.
- Yarely Adv.
- Yawningly Adv.
- Yay Inter. Subst. Adj. Adv.
- Yea Inter. Subst. Adv.
- Yeah Inter. Adv. Subst.
- Year-round Adj. Adv.
- Yearly Adj. Adv.
- Yearningly Adv.
- Yeastily Adv.
- Yellowly Adv.
- Yeomanly Adj. Adv.
- Yep Inter. Adv.
- Yester Subst. Adj. Adv.
- Yesterday Adv. Subst.
- Yesterevening Subst. Adv.
- Yestermorn Subst. Adv.
- Yestermorning Subst. Adv.
- Yestern Adj. Subst. Adv.
- Yesternight Subst. Adv.
- Yesteryear Subst. Adv. Adj.
- Yestreen Subst. Adv.
- Yet Adv. Konj.
- Yieldingly Adv.
- Yon Pron. Adj. Adv.
- Yond Adj. Adv. Pron.
- Yonder Subst. Adj. Adv. Pron.
- Yore Subst. Adv.
- Youthfully Adv.
- Youthly Adj. Adv.
- YoY Adj. Adv. Subst.
- YTD Adj. Subst. Adv.
- Zanily Adv.
- Zealously Adv.
- Zebra-like Adj. Adv.
- Zestfully Adv.