| now for | | | |
| now or never | | | |
| now you're cooking | | | |
| Nubian queen | | | |
| nudge nudge wink wink | | | |
| nuke the fridge | | | |
| number games | | | |
| number one with a bullet | | | |
| nut-cutting time | | | |
| nuts to butts | | | |
| nail-biting | | | |
| nail-bitingly | | | |
| naked ape | | | |
| name and shame | | | |
| name one's poison | | | |
| na-na na-na boo-boo | | | |
| nasty, brutish, and short | | | |
| native soil | | | |
| nature of the beast | | | |
| near and dear | | | |
| near post | | | |
| neat and tidy | | | |
| necker's knob | | | |
| neck of the woods | | | |
| needle in a haystack | | | |
| needle mover | | | |
| need-to-know | | | |
| neither fish, flesh, nor good red herring | | | |
| nerve-shredder | | | |
| nerves of steel | | | |
| never in a month of Sundays | | | |
| never mind | | | |
| new dawn | | | |
| new hotness | | | |
| new normal | | | |
| new school | | | |
| new wine in an old wineskin | | | |
| next-level | | | |
| nice guys finish last | | | |
| nickel | | | |
| nickel nurser | | | |
| nickel tour | | | |
| night in, night out | | | |
| night out | | | |
| Nikon choir | | | |
| nine-day wonder | | | |
| nip and tuck | | | |
| nip at | | | |
| no and low | | | |
| no biggie | | | |
| no buts | | | |
| no chance | | | |
| nodding acquaintance | | | |
| no dice | | | |
| no flies on | | | |
| no-frills | | | |
| no-good ass | | | |
| no great shakes | | | |
| no harm, no foul | | | |
| no-hit wonder | | | |
| no love lost | | | |
| no matter how thin you slice it, it's still baloney | | | |
| none of someone's business | | | |
| none other than | | | |
| nook and cranny | | | |
| nook or cranny | | | |
| no pressure | | | |
| no prize for guessing | | | |
| no score | | | |
| no screaming hell | | | |
| nose around | | | |
| nose count | | | |
| nose-pick | | | |
| noseshot | | | |
| nosey-parkerdom | | | |
| nosey-parkering | | | |
| no skin off one's teeth | | | |
| no sooner than | | | |
| no strings attached | | | |
| no-strings-attached | | | |
| not a chance | | | |
| not a minute too soon | | | |
| not a pretty sight | | | |
| not as black as one is painted | | | |
| not at all | | | |
| not be able to hit the broad side of a barn | | | |
| not be caught dead | | | |
| notch on one's bedpost | | | |
| not cricket | | | |
| not enough to hang a dog on | | | |
| not for the world | | | |
| not have a leg to stand on | | | |
| not have a prayer | | | |
| nothing if not | | | |
| nothing less than | | | |
| nothing to it | | | |
| nothing to write home about | | | |
| no time | | | |
| not in a million | | | |
| not in the least | | | |