- Infirmly Adv.
- Inflammatorily Adv.
- Inflexibly Adv.
- Inflight Adj. Subst. Adv.
- Influentially Adv.
- Informally Adv.
- Informatively Adv.
- Informedly Adv.
- Informingly Adv.
- Infra Adv. Präp.
- Infrangibly Adv.
- Infrequently Adv.
- Infructuously Adv.
- Infuriatingly Adv.
- Ingeniously Adv.
- Ingenuously Adv.
- Ingloriously Adv.
- Ingrainedly Adv.
- Ingratiatingly Adv.
- Inharmoniously Adv.
- Inherently Adv.
- Inheritably Adv.
- Inhomogeneously Adv.
- Inhospitably Adv.
- Inhumanely Adv.
- Inhumanly Adv.
- Inimically Adv.
- Inimitably Adv.
- Iniquitously Adv.
- Initially Adv.
- Initiatively Adv.
- Injudiciously Adv.
- Injuriously Adv.
- Inland Adj. Adv. Subst.
- Inline Adj. Subst. Adv. Verb
- Inly Adv. Adj.
- Innately Adv.
- Innerly Adv. Adj.
- Innocently Adv.
- Innocuously Adv.
- Innovatively Adv.
- Innumerably Adv.
- Inoffensively Adv.
- Inopportunely Adv.
- Inordinately Adv.
- Inorganically Adv.
- Inquiringly Adv.
- Inquisitively Adv.
- Inquisitorially Adv.
- Insanely Adv.
- Insatiably Adv.
- Inscrutably Adv.
- Insecticidally Adv.
- Insecurely Adv.
- Insensately Adv.
- Insensibly Adv.
- Insensitively Adv.
- Inseparably Adv.
- Inshore Adj. Adv. Subst.
- Inside Adj. Adv. Subst. Präp.