catnip

noun

cat·​nip ˈkat-ˌnip 

1

: a strong-scented perennial mint (Nepeta cataria) that has whorls of small pale flowers in terminal spikes and contains a substance attractive to cats

2

: something very attractive

Examples of catnip in a Sentence

Recent Examples on the Web

Odysseus, manly and strong, is catnip to all kinds of scheming women. — Jim Beckerman, USA Today, 16 July 2026

Peppermint and spearmint are the most common choices for reducing ant problems; however, catnip and other plants in the mint family can also be used as natural ant deterrents. — Lauren Landers, Better Homes & Gardens, 15 July 2026

Homegrown catnip oil lotion is just as effective as DEET at repelling mosquitoes, according to a new study in Uganda. — Paige Bruton, semafor.com, 10 July 2026

Better alternatives include garlic, chives, catnip, and lavender. — Lee Wallender, The Spruce, 6 July 2026

Word History

Etymology

cat entry 1 + obsolete nep catnip, from Middle English, from Old English nepte, from Latin nepeta

First Known Use

1712, in the meaning defined at sense 1

Kids Definition

catnip

noun

cat·​nip -ˌnip 

: a strong-scented herb of the mint family that is especially attractive to cats

Medical Definition

catnip

noun

cat·​nip -ˌnip 

variants also catnep

-ˌnep, -nəp 

1

: a strong-scented mint (Nepeta cataria) that has small pale flowers in terminal spikes and contains a substance attractive to cats

called also cataria, catmint

2

: cataria sense 2