English edit

Etymology edit

From Billy +‎ -ish.

Adjective edit

Billyish (comparative more Billyish, superlative most Billyish)

  1. (informal) Similar to or resembling a person named Billy.
    • 1918, Charles Lewis Hind, The Invisible Guide, page 48:
      It made Carstairs more spiritual, and more efficient materially, that goes with real spirituality; it makes me more philosophical, and our Billy—it just makes him more Billyish.
    • 1954, Virginia Sorensen, Many Heavens, page 147:
      He picked up his cup and made the coffee whirl around, rather absently, and then he looked up at me and said with a sudden Billyish grin, "Isn't much to drink a health with, Zina, but it'll have to do for me from here on down. []