'Lengthily' definitions:

Definition of 'lengthily'

From: WordNet
adverb
In a lengthy or prolix manner; "the argument went on lengthily"; "she talked at length about the problem" [syn: lengthily, at length]

Definition of 'Lengthily'

From: GCIDE
  • Lengthily \Length"i*ly\ (-[i^]*l[y^]), adv. In a lengthy manner; at great length or extent. [1913 Webster]