thoughtlessness
31Inadvertence — In ad*vert ence; pl. { ces}, Inadvertency In ad*vert en*cy; pl. { cies}, n. [Cf. F. inadvertance.] [1913 Webster] 1. The quality of being inadvertent; lack of heedfulness or attentiveness; inattention; negligence; as, many mistakes proceed from… …
32Inadvertency — Inadvertence In ad*vert ence; pl. { ces}, Inadvertency In ad*vert en*cy; pl. { cies}, n. [Cf. F. inadvertance.] [1913 Webster] 1. The quality of being inadvertent; lack of heedfulness or attentiveness; inattention; negligence; as, many mistakes… …
33Inattention — In at*ten tion, n. [Pref. in not + attention: cf. F. inattention.] Lack of attention, or failure to pay attention; disregard; heedlessness; neglect. [1913 Webster] Novel lays attract our ravished ears; But old, the mind inattention hears. Pope.… …
34Incogitance — In*cog i*tance, Incogitancy In*cog i*tan*cy, n. [L. incogitantia.] Lack of thought, or of the power of thinking; thoughtlessness; unreasonableness. [1913 Webster] T is folly and incogitancy to argue anything, one way or the other, from the… …
35Incogitancy — Incogitance In*cog i*tance, Incogitancy In*cog i*tan*cy, n. [L. incogitantia.] Lack of thought, or of the power of thinking; thoughtlessness; unreasonableness. [1913 Webster] T is folly and incogitancy to argue anything, one way or the other,… …
36Inconsideracy — In con*sid er*a*cy, n. Inconsiderateness; thoughtlessness. [Obs.] Chesterfield. [1913 Webster] …
37Insouciance — In sou ciance , n. [F.] Carelessness; heedlessness; thoughtlessness; unconcern. [1913 Webster] …
38Levity — Lev i*ty (l[e^]v [i^]*t[y^]), n. [L. levitas, fr. levis light in weight; akin to levare to raise. See {Lever}, n.] 1. The quality of weighing less than something else of equal bulk; relative lightness, especially as shown by rising through, or… …
39Mischief — Mis chief (m[i^]s ch[i^]f), n. [OE. meschef bad result, OF. meschief; pref. mes (L. minus less) + chief end, head, F. chef chief. See {Minus}, and {Chief}.] [1913 Webster] 1. Harm; damage; esp., disarrangement of order; trouble or vexation caused …
40Play — Play, v. i. [imp. & p. p. {Played}; p. pr. & vb. n. {Playing}.] [OE. pleien, AS. plegian, plegan, to play, akin to plega play, game, quick motion, and probably to OS. plegan to promise, pledge, D. plegen to care for, attend to, be wont, G.… …