Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Superlative \Su`per*la"tive\, a. [L. superlativus, fr. superlatus excessive, used as p. p. of superiorferre, but from a different root: cf. F. superlatif. See Elate, Tolerate.]
Lifted up to the highest degree; most eminent; surpassing all other; supreme; as, superlative wisdom or prudence; a woman of superlative beauty; the superlative glory of the divine character.
(Gram.) Expressing the highest or lowest degree of the quality, manner, etc., denoted by an adjective or an adverb. The superlative degree is formed from the positive by the use of -est, most, or least; as, highest, most pleasant, least bright. [1913 Webster] -- Su`per*la"tive*ly, adv. -- Su`per*la"tive*ness, n.
Wiktionary
adv. In a superlative manner; in the greatest possible way.
WordNet
adv. to a superlative degree
Usage examples of "superlatively".
Lawlor drives, but like all superlatively difficult achievements the design of those useful engines was so blessedly simple that nobody felt incapable of the work that would make them whole and functioning again.
I do not think so, for, in my opinion, it is superlatively ridiculous for a lady to go to the court without being presented, particularly if she has a right to be so.
Or, if for any reason thought to be corporally incapacitated for that, yet such an one would seem superlatively competent to cheer and howl on his underlings to the attack.
It is this superlatively moral system that the welfare statists propose to improve upon by means of preventive law, snooping bureaucrats, and the chronic goad of fear.
The rear guard, behind Herr and Frau Busenitz, who had a coal business in Bohnsack, consisted of Erich Lau, the disabled Schiewenhorst village mayor, and his superlatively pregnant Margarete who, as daughter of the Nickelswalde village mayor Momber, had not married below her station.