Definition of understudy:
tack, standby, flip, jump, portray, costar, lead, actor, enact, body double, overact, switch, ham, take turns, flip-flop, leading lady, heart-throb, ad-lib, double for, play, act, actress, star, interchange, character actor, alternate.
deputy (part of speech: noun)
- substitute (part of speech: noun)
- "Famous Prima Donnas", Lewis Clinton Strang.
- "Mark Twain, A Biography, 1835-1910, Complete The Personal And Literary Life Of Samuel Langhorne Clemens", Albert Bigelow Paine Last Updated: February 20, 2009.
- "People of the Whirlpool", Mabel Osgood Wright.