Word Study
third string
THESAURUS
third string
agent, alternate, alternative, analogy, back seat, backup, cast, change, changeling, company, comparison, complement, copy, counterfeit, crew, deputy, double, dummy, eight, eleven, equal, equivalent, ersatz, exchange, fake, fill-in, first string, first team, five, ghost, ghostwriter, humbleness, humility, imitation, inferiority, juniority, locum tenens, lowliness, makeshift, metaphor, metonymy, minority, next best thing, nine, personnel, phony, pinch hitter, platoon, proxy, relief, replacement, representative, reserves, ringer, rowing crew, second fiddle, second string, second team, secondariness, secondary, servility, sign, spares, squad, stand-in, string, sub, subjection, subordinacy, subordination, subservience, substituent, substitute, substitution, succedaneum, superseder, supplanter, surrogate, symbol, synecdoche, team, token, understudy, utility player, varsity, vicar, vice-president, vice-regentFor further exploring for "third string" in Webster Dictionary Online