'Rapidly' definitions:

Definition of 'rapidly'

From: WordNet
adverb
With rapid movements; "he works quickly" [syn: quickly, rapidly, speedily, chop-chop, apace] [ant: easy, slow, slowly, tardily]

Definition of 'Rapidly'

From: GCIDE
  • Rapidly \Rap"id*ly\ (r[a^]p"[i^]d*l[y^]), adv. In a rapid manner. [1913 Webster]

Synonyms of 'rapidly'

From: Moby Thesaurus