Found 2 items, similar to omissively.
English → English (WordNet) Definition: omissive omissive adj : characterized by omissions; “omissive crimes”
English → English (gcide) Definition: Omissively Omissive \O*mis"sive\, a. [See Omit.] Leaving out; omitting. --Bp. Hall. -- O*mis"sive*ly, adv. [1913 Webster]