Search Dictionary
Definition of reinforcer
reinforcer
/ˌriːɪnˈfɔːrsər/
re · in · forc · er
Plural:reinforcers
•Adjective:reinforcing
reinforcer Lexical Profile
CEFR
C1
Grade
11
Tier
2
Usage
Rare
Syllables
4
reinforcer Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
In behavioral psychology, any stimulus, event, or reward following a response that increases the likelihood of that behavior being repeated.
Example
"Praise from the teacher acted as a powerful positive reinforcer for the students' diligent study habits."
2
A person, material, or device that strengthens, supports, or fortifies something.
Example
"Steel rods are commonly embedded in concrete to serve as a structural reinforcer against tension."
Synonyms
View all synonyms for reinforcer Antonyms
View all antonyms for reinforcer• Rhymes for reinforcer
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Reinforcer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/reinforcer