relegate – to give someone or something a less important position than before
(Pronounced rehl-uh-gayt)
To remember the definition of the word relegate, use the following mnemonic:
The relevance of this old city gate (relegate) has diminished and is far less important than it was.

Examples of relegate in a sentence
The manager decided to relegate him to their least profitable branch.
She wasn't playing at her usual level of skill so they had to relegate her to the bench.
His old phone had been relegated to the junk drawer.