INATTENTIVELY
absently, abstractedly, inattentively, absentmindedly
(adverb) in an absentminded or preoccupied manner; “he read the letter absently”
Source: WordNet® 3.1
Etymology
Adverb
inattentively (comparative more inattentively, superlative most inattentively)
In an inattentive manner.
Source: Wiktionary
INATTENTIVE
In`at*ten"tive, a. Etym: [Cf. F. inattentif.]
Definition: Not attentive; not fixing the mind on an object; heedless;
careless; negligent; regardless; as, an inattentive spectator or
hearer; an inattentive habit. I. Watts.
Syn.
– Careless; heedless; regardless; thoughtless; negligent; remiss;
inadvertent.
– In`at*ten"tive*ly, adv.
– In`at*ten"tive*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition