INADVERTENTLY
unwittingly, inadvertently, unknowingly
(adverb) without knowledge or intention; “he unwittingly deleted the references”
Source: WordNet® 3.1
Etymology
Adverb
inadvertently (not comparable)
unintentionally, because of an oversight
Antonyms
• advertently
• advert
Source: Wiktionary
INADVERTENT
In`ad*vert"ent, a. Etym: [Cf. F. inadvertant. See 2d In-, and
Advert.]
Definition: Not turning the mind to a matter; heedless; careless;
negligent; inattentive.
An inadvertent step may crush the snail That crawls at evening in the
public path. Cowper.
– In`ad*vert"ent*ly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition