1. resembling or characteristic of a hoyden; boisterous, tomboyish, or lacking in refinement or modesty
Usage: somewhat dated or literary; often applied to girls or young women who behave in a bold, unladylike manner

Examples

• Her hoydenish behavior at the party shocked the more conservative guests.
• The hoydenish girl preferred climbing trees to wearing dresses.
• She had a hoydenish laugh that echoed through the drawing room.
• His sister's hoydenish antics made her the talk of the town.
• The novel's hoydenish heroine defied all social expectations of her era.