"stunted, inferior, shabby," 1590s; see scrub (n.) + -y (2). Meaning "covered with scrub" is from 1670s. Related: Scrubbiness.
open scrubby woods
scrubby cut-over pine
scrollwork
Scrooge
scrotum
scrounge
scrub
scrubby
scruff
scruffy
scrum
scrumptious
scrunch