| A | B |
|---|
| nefarious | wicked; evil |
| nemesis | an unbeatable rival; archenemy |
| neologism | a newly coined word or phrase |
| neophyte | a beginner |
| nexus | a bond, link, or connection |
| noisome | offensive; disgusting; filthy; foul |
| nonchalant | appearing cool; casual; carefree |
| nonplussed | puzzled; baffled; perplexed |
| notorious | famous for something bad; infamous |
| novel | new; different |
| novice | beginner; a person new to something |
| noxious | harmful; injurious to health or morals |
| nuance | a shade of color or meaning; a variation |
| obdurate | stubborn; hardened against influence |
| oblivion | the state of being forgotten |
| obsequious | too complaint; fawning; servile |
| obsolete | out-dated; out of style |
| obstreperous | unruly; boisterous; defiant |
| obtrude | to force oneself on others |
| obtuse | lacking mental quickness or keenness |
| occult | pertaining to the supernatural |
| odious | offensive; hateful |
| officious | excessively eager in offering services, especially when those services are unwanted; pushy |
