in`ad*vert"ent*ly
Webster's Dictionary (GCIDE)
Inadvertent \In`ad*vert"ent\, a. [Cf. F. inadvertant. See 2d In-, and Advert.] Not turning the mind to a matter; heedless; careless; negligent; inattentive. [1913 Webster]
An inadvertent step may crush the snail That crawls at evening in the public path. --Cowper. -- In`ad*vert"ent*ly, adv. [1913 Webster]