Substitute synonyms such as switch, alternative, exchange, and replace with. Substitute is a noun, and its antonyms are original and permanent. Additionally, here are 29 synonyms and nearby words for substitute as well as words beginning with
S, and Su.
29 synonyms for substitute
1. relief
ancillary
deputy
fill-in
locum
locum tenens
pinch-hitter
proxy
reserve
stand-in
standby
stopgap
sub
surrogate
understudy
2. exchange
exchange
replace with
swap
switch
trade
use as a replacement
use as an alternative to
use in place of
use in preference to
use instead of