Found 2 items, similar to lengthily.
English → English (WordNet) Definition: lengthily lengthily adv : in a lengthy or prolix manner; “the argument went on lengthily”; “she talked at length about the problem” [syn: at length]
English → English (gcide) Definition: Lengthily Lengthily \Length"i*ly\ (-[i^]*l[y^]), adv. In a lengthy manner; at great length or extent. [1913 Webster]