| Word | Part of Speech | Definition |
|
| nadir | adj | Lowest point. |
| nadir | n | The lowest point; the weakest moment. |
| narcissist | n | Somebody who is conceited; somebody who is overly concerned with their looks and appearance and only their well being. |
| narcotic | n | A drug that decreases the reception of pain; a drug that induces sleep or a state of lethargy. |
| nascent | adj | Just coming into being or existence. |
| natal | adj | Related to birth; pertaining to a new-born. |
| natty | adj | Neat; smartly dressed. |
| nauseous | adj | Marked by a feeling of nausea; producing a feeling of illness. |
| nave | n | The long central part of a church between the two isles. |
| nebulous | adj | Vague; hazy; cloudy; of uncertain origin. |
| negate | v | To cancel; to nullify; to cause to have no effect or purpose. |
| negligent | adj | Not concerned with details; failing to perform specific duties. |
| nemesis | n | The opponent; something that has an intent to cause harm; the opposition. |
| neologism | n | A new word; a newly created term or phrase; a new way of using a specific word. |
| neophyte | n | A recent convert; a new member of a religious group; a beginner. |
| nestor | n | A senior; a leader in one's field; a wise old man. |
| nettle | v | To irritate; to annoy; to vex. |
| nevus | n | A birthmark; a blemish. |
| nibble | v | To eat gingerly; to eat using small repeated bites. |
| niche | n | A particular place; a suitable location or ideal environment. |
| nimble | adj | Quick in movement. |
| nirvana | n | An ideal state; a utopia; full rest. |
| nominal | adj | A trifling; a very small amount. |
| nonchalance | n | A casual look of concern; lack of concern. |
| noncommittal | adj | Neutral; without commitment; undecided; cautious. |
| nondescript | adj | Indistinctive; ordinary. |
| nonentity | n | A person or thing that is not important; something that does not exist or which is not perceived. |
| noose | n | A loop formed with a rope. |
| nosegay | n | A small bunch of flowers; a posey. |
| nostrum | n | A quack medicine or remedy; an untested cure; a questionable medicine. |
| novelty | n | The quality of being new and out of the ordinary. |
| noxious | adj | Harmful; corrosive. |
| nuance | n | A shade of slight difference in meaning; a small distinction; a slight variation in color. |
| nubile | adj | Developed; suitable and physically mature for marriage or for reproduction. |
| nullify | v | T make invalid; make null; invalidate; to make obsolete. |
| nutrient | n | Something that provides nourishment; a substance that brings good health. |
| nutritious | adj | Providing nutrition or needed nutrients. |