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

Someone had to volunteer to cycle to the nearest village and cadge a replacement, fifteen kilometres each way, some of it on a narrow lane through tall hacks of dense grass. — Literary Hub, 22 Sep. 2026

Nathan is happy to blame Joe for the fact that guest Michelle fully broke her shoulder while tubing and will need replacement surgery once back home. — Rafaela Bassili, Vulture, 22 Sep. 2026

Entire categories of public-key cryptography will eventually require replacement with post-quantum algorithms. — Evgeny Gervis, Forbes.com, 22 Sep. 2026

Getting your hands on an 18-inch high-refresh desktop replacement loaded with 32GB of fast memory, 1TB of NVMe storage, and flagship ROG cooling under $1,850 is a serious steal. — Juhi Wadia, PC Magazine, 22 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)