adj, noun ·Common ·High school level

Definitions

Noun

1. 1
   Diminutive of mouse. childish, diminutive, form-of

Adjective

1. 1
   Resembling a mouse.

   "Near-synonyms: mouselike, murine"

2. 2
   Resembling a mouse.; Quiet; stealthy.
3. 3
   Resembling a mouse.; Timid.
4. 4
   Resembling a mouse.; Of a greyish-brown colour.

   "It's a god-awful small affair To the girl with the mousy hair"

5. 5
   Abounding in or infested with mice.

Adjective

1. 1
   quiet and timid and ineffectual wordnet
2. 2
   of something having a drab pale brown color resembling a mouse wordnet
3. 3
   infested with mice wordnet

Synonyms

All synonyms

mouseyabstruseacierafraidashenashy

Antonyms

All antonyms

doughtylionheartedoutgoingovert

Example

More examples

"She was mousy and frail, but she ran the office with an iron fist."

Etymology

Etymology 1

From mouse + -y (forms adjectives from nouns).

Etymology 2

From mouse + -y (forms diminutives).

Related phrases

mousy brown

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.