† punctuˈosityObs.rare—1. [f. as if from a L. *punctuō-sus or Eng.*punctuous (cf.Sp.puntuoso) + -ity.] = punctuality 1. 1733Shelton's Quix. IV. vi. 43 (Dublin ed.) To recount with all the Punctuosity [edd. 1620, 1652, etc., punctualitie; Sp.puntualidad] and Truth that he usually doth.