replacement

noun

re·​place·​ment ri-ˈplās-mənt 

1

: the action or process of replacing : the state of being replaced

2

: one that replaces another especially in a job or function

Synonyms of replacement

• substitute
• backup

Examples of replacement in a Sentence

We need a replacement for our old vacuum cleaner.

Where can we get replacement parts for the tractor?

Recent Examples on the Web

Either path would ensure all of Boston’s remaining outfielders have an everyday spot, freeing up a bench job for the Red Sox to add a replacement for Refsnyder, who signed a one-year deal with the Mariners earlier this winter. —Mac Cerullo, Boston Herald, 5 Feb. 2026

So as of now, the promenade team would have to provide the replacement parking spaces. —Noah Lyons, San Diego Union-Tribune, 5 Feb. 2026

Due to its higher energy density, hydrogen can serve as a good replacement for fossil fuels. —Ameya Paleja, Interesting Engineering, 5 Feb. 2026

Recent improvements include an upgrade to a communal deck, partial sewer line replacement and a full remodel of the manager’s unit. —Samantha Gowen, Oc Register, 5 Feb. 2026

Word History

First Known Use

1743, in the meaning defined at sense 1

Phrases Containing replacement

• estrogen replacement therapy
• hormone replacement therapy
• replacement set
• replacement therapy

Rhymes for replacement

• abasement
• debasement
• defacement
• displacement
• effacement
• emplacement
• encasement
• misplacement
• outplacement
• basement
• placement

Kids Definition

replacement

noun

re·​place·​ment ri-ˈplā-smənt 

1

: the act of replacing : the state of being replaced

2

: one that replaces another : substitute

Legal Definition

replacement

noun

re·​place·​ment

1

a

: the act of replacing : the state of being replaced

b

: an insurer's option under a policy to replace or repair damaged property rather than pay the insured for the loss

2

: something that replaces

specifically : a new fixed asset or portion of an asset that takes the place of one discarded (as because of deterioration)