NAUTICAL
Pertaining to ships or navigation – a nautical career.
Synonyms: marine, naval, maritime
NETTLE
To irritate or provoke – nettled by his critics.
Synonyms: vex, pique, goad
NOCTURNAL
Pertaining to, or occurring in, the night – awakened by the sounds of a nocturnal prowler.
Antonym: diurnal
NOISOME
Foul-smelling; harmful-the swamp gave off a noisome odor.
Synonyms: malodorous, fetid, disgusting; noxious, deleterious
Antonym: salubrious
NONCHALANT
Unmoved or indifferent; casual – reacted to the news in a nonchalant manner.
Synonym: apathetic
Antonyms: enthusiastic, zealous
NOSTALGIA
Homesickness – felt nostalgia for the old homestead.
NOTORIOUS
Widely known (in a bad sense) – a notorious gambler.
NOVICE
A beginner – conducted himself in politics like a novice.
Synonyms:tyro, neophyte
Antonym:virtuoso