Answer:

wallflower

Answer	Crossword Clue
WALLFLOWER	Shy partygoer
WALLFLOWER	Indoor waterfall?
WALLFLOWER	Shy nondancer at a dance

WALLFLOWER	Party animal's antithesis
WALLFLOWER	Shy person
WALLFLOWER	Dance loner
WALLFLOWER	Shy one at a dance
WALLFLOWER	Not the belle of the ball.
WALLFLOWER	Not the cynosure, at a dance.
WALLFLOWER	Garden favorite.
WALLFLOWER	No siren, she.

WALLFLOWER	Cousin of a shrinking violet?
WALLFLOWER	Shrinking violet
WALLFLOWER	Shy girl at a dance
WALLFLOWER	Shy person at a social event
WALLFLOWER	She's not the belle of the ball
WALLFLOWER	Nonmixer at a mixer
WALLFLOWER	Non-dancer at the dance
WALLFLOWER	Shy plant?

WALLFLOWER	Nondancer at the dance

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.