adv. [f. prec. + -LY2. OE. langsumlíce (Sweet).] † For long; † tardily; lengthily and tediously.
1456. Sir G. Haye, Law Arms (S.T.S.), 301. That thai may nocht endure the weris langsumly.
c. 1610. Sir J. Melvil, Mem. (1683), 155. As he was making his preparations too longsomly and slowly in Dundie.
1834. Q. Rev., L. 527. [They] expatiate so longsomely on corn, currency, or corporations, that [etc.].