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

Additionally, the system uses advanced battery technology that allows longer missions and supports rapid replacement of power units, enabling continuous deployment cycles. —Prabhat Ranjan Mishra, Interesting Engineering, 26 Mar. 2026

That may change if the Panthers can find a worthwhile Robinson replacement in the first three rounds. —Mike Kaye march 26, Charlotte Observer, 26 Mar. 2026

The company, founded in 1980, is best known for its meal replacements, protein shakes, nutritional teas and vitamins. —Noor Lobad, Footwear News, 26 Mar. 2026

Maryland cannot responsibly retire dependable power sources until stable replacements are actually in place. —Andre Johnson Jr, Baltimore Sun, 26 Mar. 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)