| normative | Establishing, relating to, or deriving from a standard or norm, especially of behavior | |
| nontrivial | Significant or not simple; requiring serious thought or effort | |
| nonplussed | Surprised and confused so much that they are unsure how to react | |
| nondescript | Lacking distinctive or interesting features or characteristics | |
| nonchalant | Feeling or appearing casually calm and relaxed; not displaying anxiety, interest, or enthusiasm | |
| non sequitur | A conclusion or statement that does not logically follow from the previous argument or statement | |
| noisome | Having an extremely offensive smell | |
| nettle | To irritate or annoy someone | |
| nepotism | The practice among those with power or influence of favoring relatives or friends, especially by giving them jobs | |
| neophyte | A person who is new to a subject, skill, or belief | |