To use in place of something else, with the same function.
I had no shallots so I substituted onion.
To use X in place of Y.
I had to substitute new parts for the old ones.
To use Y in place of X; to replace X with Y.
I had to substitute old parts with the new ones.
A replacement or stand-in for something that achieves a similar result or purpose.
Ladies [in William Shakespeare's age], again, universally wore masks as the sole substitute known to our ancestors for the modern parasol; a fact, perhaps, not generally known.
From Middle English substituten, from Latin substitutus, past participle of substituō, from sub- (“under; beneath”) + statuō (“to put up; establish”).
Select a language to see translations
A substitute teacher.
A player who is available to replace another if the need arises, and who may or may not actually do so.
Dean Whitehead opened the scoring shortly after the break with a low finish and substitute Peter Crouch sealed the win with a tap-in.