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

Their replacement, the Columbia-class, is expected to begin entering service in the coming decade and is designed to conduct deterrent patrols for several decades. —Jijo Malayil, Interesting Engineering, 6 Mar. 2026

The Democratic states and other critics say the president can’t use Section 122 as a replacement for the defunct tariffs to combat the trade deficit. —ABC News, 5 Mar. 2026

Intensive research and development led to our first model, trained to understand visual logic and editorial consistency, while preserving cinematic rules under real-world production challenges such as missing shots, background replacements or incorrect lighting. —Dade Hayes, Deadline, 5 Mar. 2026

Many of the bridge and tender houses are now in need of repair, and in some case replacement of their full metal spans, Preservation Chicago said. —Adam Harrington, CBS News, 5 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)