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

Many of the residences at the property remain uninhabitable, and the association has begun extensive repairs, which include the replacement of aging plumbing riser stacks throughout the building. —Niurys Robaina, Miami Herald, 12 Nov. 2025

Universal replacements can cost about $200-$300 according to AutoZone, but newer vehicles may require direct-fit converters because the original catalytic converters are incorporated into the exhaust manifold. —Clare Mulroy, USA Today, 12 Nov. 2025

Gail Becker‘s Caulipower, one of the original cauliflower-as-carb-replacement products, just sold to Urban Farmer. —Emma Hinchliffe, Fortune, 12 Nov. 2025

The story finds room for both Isla Fisher (returning from the first film) and her sequel replacement, Lizzy Caplan, so that there are now Five Horseman. —Owen Gleiberman, Variety, 11 Nov. 2025

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)