notched, a. serrated, crenated, incised, emarginated.

notching, n. notch, indentation, serration, crenation.

note, n. billet; memorandum, minute, record; remark, comment, annotation, commentary, scholium, gloss; mark, token, sign, feature, peculiarity; observation, notice; distinction, repute, celebrity, reputation, fame, renown.

note, v.  See notice; record, jot down; annotate, comment, postillate.

note-book, n. memorandum-book, commonplace book, adversaria, journal, diary.

noted, a. celebrated, renowned, eminent, distinguished, famous.

notes, n. pl. marginalia (marginal notes), adversaria.

noteworthy, a. memorable, remarkable.

nothing, n. non-existence, nonentity; bagatelle; naught, cipher, zero, null, nullity.

nothingness, n. nihility, non-existence, nullity.

notice, n. observation, cognizance, note, heed, attention, regard; announcement, citation, warning, notification; bulletin; recognition, civility, courtesy.  Antonyms:  disregard, connivance, inattention, heedlessness, ignoring, oversight, slight.

notice, v. see, observe, note, heed, recognize, perceive, mark, take cognizance of, pay attention to.  Antonyms:  ignore, connive, skip, neglect, slight, overlook, disregard.

noticeable, a. observable, appreciable, conspicuous, salient, prominent.  Antonyms:  unobservable, inappreciable, inconspicuous.

notification, n.  See telling; notice, announcement, warning.

notify, v. inform, acquaint, tell, apprise, give notice to.

notion, n. conception, idea, concept; opinion, judgment, belief, view; inclination, intention, disposition; (Colloq.) knicknack, device.

notional, a. whimsical, capricious, irresolute, freakish, crotchety, changeable.

notoriety, n. repute (unfavorable), publicity.

notorious, a. talked of, evident, obvious, noted, famous (usually unfavorable).

notwithstanding, conj. despite, nevertheless, however.

noun, n. substantive.

nourish, v. feed, nurture; support; encourage, foster, cherish, promote.

nourishing, a. nutritious.

nourishment, n. nutrition; food, nutriment.

novel, a. new, recent, fresh, unusual, rare, unique, innovative.

novel, n. fiction, romance, story, tale.

novelty, n. newness; change, curiosity, innovation.

novice, n. tyro; probationer, proselyte, convert, novitiate

novitiate, n. apprenticeship; probation, tyronism, noviceship.

now, adv. instantly, immediately, at once, instanter.

now and then. occasionally, at intervals, infrequently, intermittently, sometimes, periodically, once in a while.

noxious, a. injurious, baneful, unwholesome, noisome.

nub, n. (Colloq.) knob, jag, protuberance, snag, excrescence.

nucleus, n. kernel, core, heart, center.