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

Still, the Gem is meant to be a behavior-guidance tool, not a replacement for a dermatologist or a guarantee against sun damage. —New Atlas, 16 June 2026

The committee working on the replacement station is beginning the design process. —Doug Ross, Chicago Tribune, 16 June 2026

Even Foundation’s leadership argues that humanoid robots are more likely to serve as a first line of defense, reconnaissance platform, or force-protection system than as replacements for infantry soldiers. —Kaif Shaikh, Interesting Engineering, 16 June 2026

The timing of Gottfried’s removal coincided with Sierra’s replacement of Bruce Rubenstein, an attorney, from the Internal Audit Commission. —Helen I. Bennett, Hartford Courant, 16 June 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)