- Overly Adv.
- Overmodestly Adv.
- Overmuch Adj. Adv. Subst.
- Overnext Adj. Adv. Subst.
- Overnice Adj. Adv.
- Overnight Adj. Adv. Subst. Verb
- Overpoweringly Adv.
- Overprecisely Adv.
- Overpromptly Adv.
- Overrighteously Adv.
- Overscrupulously Adv.
- Oversea Adj. Adv.
- Overseas Adj. Adv.
- Oversensitively Adv.
- Overside Adj. Subst. Adv.
- Oversolicitously Adv.
- Overthwart Adj. Präp. Adv.
- Overtime Subst. Adv. Adj.
- Overtly Adv.
- Overwater Verb Adj. Adv.
- Overweeningly Adv.
- Overwhelmingly Adv.
- Overwillingly Adv.
- Overzealously Adv.
- Oviparously Adv.
- Ovoviviparously Adv.
- Owlishly Adv.
- Owllike Adj. Adv.
- Oxidatively Adv.
- Oxymoronically Adv.