Definition of "mousy"

Resembling a mouse.

1. Quiet; stealthy.  examples

2. Timid.  examples

3. Of a greyish-brown colour.  quotations  examples

   Quotations

   • It's a god-awful small affairTo the girl with the mousy hair

     1971, “Life on Mars?”, performed by David Bowie

Abounding in or infested with mice.  examples

(childish) Diminutive of mouse.  examples