PROPRIETY n.
quality or state of being proper; suitableness to an acknowledged or correct standard or rule; consonance with established principles, rules, or customs; fitness; appropriateness; as, propriety of behavior, language, manners, etc. "The rule of propriety," Locke.
PROTEID n.
One of a class of amorphous nitrogenous principles, containing, as a rule, a small amount of sulphur; an albuminoid, as blood fibrin, casein of milk, etc. Proteids are present in nearly all animal fluids and make up the greater part of animal tissues and organs. They are also important constituents of vegetable tissues…
RANDOM n.
A roving motion; course without definite direction; want of direction, rule, or method; hazard; chance; -- commonly used in the phrase at random, that is, without a settled point of direction; at hazard. Counsels, when they fly At random, sometimes hit most happily. Herrick. O, many a shaft, at random sent, Finds mark…