| A | B |
| nebulous | adj vague or indistinct; unclear; hazy |
| nemesis | n unconquerable opponent or rival; one who seeks just compensation or revenge to right a wrong |
| neophyte | n beginner; novice |
| nirvana | n a blissful, painless, worry-free state |
| noisome | adj offensive or disgusting; stinking; noxious |
| nomadic | adj wandering from place to place; without a permanent home |
| nomenclature | n a set or system of names; a designation; a terminology |
| nonchalant | adj indifferent; coolly unconcerned; blasé |
| nullify | v to repeal; to cancel; to void |