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

The reactor would also need a fuel replacement interval of at least five years. — Aamir Khollam, Interesting Engineering, 16 Sep. 2026

Whether Brown’s replacement will follow that model is a mystery. — Chandler Rome, New York Times, 15 Sep. 2026

If the claim is approved, the company pays toward the repair or replacement up to the plan’s coverage limit. — Ryan Brennan, Miami Herald, 14 Sep. 2026

An examination of half of the building’s 278 panels reportedly revealed that 46 had severe structural corrosion and 93 had mild-to-moderate corrosion; one third of them requires immediate replacement. — Francesca Aton, ARTnews.com, 14 Sep. 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)