Meaning

adjective lacking in liveliness or charm or surprise

adjective lacking brightness or color; dull

adjective of a light brownish green color

originEtymology tree English drab Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English drabber From drab + -er (relational noun suffix).

Etymology from Wiktionary, CC BY-SA 3.0