Incapable of being seen; not perceptible by vision; not visible. "To us invisible, or dimly seen In these thy lowest works.

<zoology> " (Milton) Invisible bird, a small, shy singing bird (Myadestes sibilons), of St. Vincent Islands. Invisible green, a very dark shade of green, approaching to black, and liable to be mistaken for it.

Origin: F. Invisible, L. Invisibilis. See In- not, and Visible.

(01 Mar 1998)