This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Resembling a mouse, especially:

adj. Having a drab, pale brown color: mousy hair.

adj. Having small sharp features: a mousy face.

adj. Quiet; timid; shy.

adj. Infested with mice.

adj. Resembling a mouse

adj. Quiet, stealthy

adj. Timid

adj. A greyish brown colour.

adj. Infested with mice; smelling of mice.

Of or relating to a mouse or the color or smell of a mouse.

Abounding with mice.

adj. infested with mice

adj. quiet and timid and ineffectual

adj. of something having a drab pale brown color resembling a mouse

"First Impression: Irma is described as mousy in both demeanor and appearance."

timid    chromatic   

mousiest    mousier   

rousey   

shoulder-length    short-cropped    sun-streaked    bland-faced    leggy    gray-streaked    bosomy    coppery    wide-set    short-cut