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 board appointed Broward College Chief Operating Officer Rabia Azhar as acting president while the search for a permanent replacement for Alston gets underway. — Rafael Olmeda, Sun Sentinel, 25 Aug. 2026

But this solution was temporary and a more permanent replacement was needed as this antenna ensures that astronauts on the space station can quickly transmit critical information back down to Mission Control back on Earth. — Chelsea Gohd, Space.com, 25 Aug. 2026

In the past, some users have reported quick response times and free hardware replacements, while others have complained of waiting days to resolve their issues. — Michael Kan, PC Magazine, 25 Aug. 2026

Omar Alderete, O’Nien’s second-half replacement, carelessly did the same thing for the late winner. — Stuart James, New York Times, 25 Aug. 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)