preconception

noun

pre·​con·​cep·​tion ˌprē-kən-ˈsep-shən 

1

: a preconceived idea

2

: prejudice

Synonyms

• theory
• assumption

Examples of preconception in a Sentence

I came to the lecture without any preconceptions.

tried to go into the training sessions without any preconceptions

Recent Examples on the Web

But at least some of that conflict comes from false assumptions, and some of it comes from turning their preconceptions into self-fulfilling prophecies. —Alan Sepinwall, Rolling Stone, 8 Sep. 2025

But Torquay bucks against most travelers' preconception of England in all of the important ways. —Staff Author, Travel + Leisure, 30 July 2025

A day at Wimbledon often means dinner at 1 a.m. and waking up seven hours later, and all the while, Riddle contends with preconceptions about being the partner of a sports star — especially one on an upward trajectory. —Caoimhe O'Neill, New York Times, 10 July 2025

For many, Game Freak is synonymous with Pokémon, but their upcoming game Beast of Reincarnation looks to shatter that preconception. —Ollie Barder, Forbes.com, 9 June 2025

Word History

First Known Use

1625, in the meaning defined at sense 1

Rhymes for preconception

• apperception
• contraception
• interception
• misconception
• misperception
• conception
• deception
• exception
• inception
• perception
• reception
• intussusception

Medical Definition

preconception

adjective

pre·​con·​cep·​tion -kən-ˈsep-shən 

: occurring prior to conception

preconception genetic counseling