imperfection

noun

im·​per·​fec·​tion ˌim-pər-ˈfek-shən 

: the quality or state of being imperfect

also : fault, blemish

Synonyms

• defect
• scar
• blotch

Examples of imperfection in a Sentence

He detected several imperfections in the surface of the jewel.

She tried to hide the imperfection in the cloth.

Recent Examples on the Web

Mineral tone-balancing powders optically correct (not mask) imperfections for a fresh, radiant look, while light-diffusing mineral powders blur fine lines and even skin tone. —Christa Joanna Lee, Allure, 22 Aug. 2025

To complete this impressive feat of engineering, Lürssen developed a custom solution to bend large sections of thick glass, free of imperfections and with crystal clarity, ensuring uninterrupted 360-degree views from the top of the vessel. —Rachel Cormack, Robb Report, 11 Aug. 2025

Inevitably, concrete stamps leave behind some imperfections that require final touch-ups. —Kamron Sanders, Better Homes & Gardens, 9 Aug. 2025

If humanity is imperfection, the only perfect woman is a dead one. —Leslie Jamison, New Yorker, 4 Aug. 2025

Word History

First Known Use

14th century, in the meaning defined above

Rhymes for imperfection

• circumspection
• disaffection
• disconnection
• disinfection
• dorsiflexion
• indirection
• insurrection
• intellection
• interjection
• intersection
• introjection
• introspection

Kids Definition

imperfection

noun

im·​per·​fec·​tion ˌim-pər-ˈfek-shən 

1

: the quality or state of being imperfect

2

: flaw, fault