NOTION—conception, idea, belief, opinion.

NOTORIOUS—conspicuous, open, obvious, ill-famed. (Unknown.)

NOURISH—nurture, cherish, foster, supply. (Starve, famish.)

NOURISHMENT—food, diet, sustenance, nutrition.

NOVEL—modern, new, fresh, recent, unused, rare, strange. (Old.)

NOXIOUS—hurtful, deadly poisonous, deleterious, baneful. (Beneficial.)

NULLIFY—annul, vacate, invalidate, quash, cancel, repeal. (Affirm.)

NUTRITION—food, diet, nutriment, nourishment.

OBDURATE—hard, callous, hardened, unfeeling, insensible. (Yielding, tractable.)

OBEDIENT—compliant, submissive, dutiful, respectful. (Obstinate.)