shrinking violet, a
An extremely shy person, as in She was a shrinking violet until she went away to college. This metaphoric idiom refers to the flower, but the precise allusion is unclear, since violets thrive under a variety of conditions and often are considered a garden weed. [Early 1900s]
Words nearby shrinking violet, a
shrink fit,
shrink-wrap,
shrinkage,
shrinker,
shrinking violet,
shrinking violet, a,
shrive,
shrivel,
shriven,
shriver,
shroff