introject

verb

in·​tro·​ject ˌin-trə-ˈjekt How to pronounce introject (audio)
introjected; introjecting; introjects

transitive verb

: to incorporate (attitudes or ideas) into one's personality unconsciously
introjection noun

Word History

Etymology

back-formation from introjection, from International Scientific Vocabulary intro- + projection

First Known Use

1924, in the meaning defined above

Time Traveler
The first known use of introject was in 1924

Browse Nearby Words

Cite this Entry

“Introject.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/introject. Accessed 4 Jul. 2026.

Medical Definition

introject

transitive verb
in·​tro·​ject ˌin-trə-ˈjekt How to pronounce introject (audio)
1
: to incorporate (attitudes or ideas) into one's personality unconsciously
2
: to turn toward oneself (the love felt for another) or against oneself (the hostility felt toward another)
introjection noun
introjective adjective
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