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cĕlĕrĭtas, ātis, f. [celer], swiftness, quickness, speed, celerity (in good prose; syn.: velocitas, pernicitas; opp. tarditas): velocitas corporis celeritas appellatur, quae eadem ingenii laus habetur, etc., Cic. Tusc. 4, 13, 31: celeritas et vis equorum, id. Div. 2, 70, 144; cf. equitum, Caes. B. G. 1, 48 fin.: navis, Cic. Verr. 2, 5, 34, § 88: pedum, id. Ac. 1, 5, 19: in capiendis castris, Caes. B. G. 7, 46: veneni, the quick effect, Cic. Cael. 24, 60: incredibili celeritate de victoriā Caesaris fama perfertur, Caes. B. G. 5, 53: celeritati studere, id. B. C. 3, 79: Favonio Scipionis celeritas salutem attulit, id. ib. 3, 36 fin.: maximum bonum in celeritate putabat, Sall. C. 43, 4: celeritate uti, to employ speed, Nep. Ages. 2, 2; 4, 4.
In plur. absol.: cavendum est ne in festinationibus suscipiamus nimias celeritates, Cic. Off. 1, 36, 131.