impulsive, a. [passionate], [capricious], [hasty]; impellent, propulsive.
impure, a. [tainted], defiled, contaminated, polluted, vitiated, infected; [adulterated], alloyed, sophisticated; [unchaste], [lewd], [indelicate], [indecent]; [barbarous], [vulgar], [hybrid].
impurity, n. [defilement], [contamination], [taint], [pollution]; [adulteration], [alloy], sophistication; [unchastity], [lewdness], [indecency], [indelicacy]; pl. garblings, garbles.
inability, n. incompetence, impotence, incapability, incompetency, inefficiency, disability.
in a body. [altogether], en masse.
inaccuracy, n. inexactness, [incorrectness], [impropriety].
inaccurate, a. [incorrect], inexact, [erroneous], [faulty], [wrong].
inaction, n. [inactivity], inertness, stagnation, [idleness].
inactive, a. inert, [motionless], quiescent, [dormant], inoperative, [sluggish], [stagnant], dilatory, [latent], [passive], [torpid].
inactivity, n. [inaction], passivity, inertia, [lethargy], [dormancy], stagnation, torpor, latency, [sloth], Fabian policy.