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Webster 1913 Edition

Adj.

Somewhat drab in color.

Adj.

Having the character of a drab or low wench.

“The drabbish sorceress.”

Drant.

drabbish ‎(comparative more drabbish, superlative most drabbish)

Somewhat drab in colour.
(archaic) Having the character of a drab or low wench.
The drabbish sorceress. — Drant.