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Synonyms

expertise

1 American  
[ek-sper-teez] / ˌɛk spərˈtiz /

noun

  1. expert skill or knowledge; expertness; know-how.

    business expertise.

  2. a written opinion by an expert, as concerning the authenticity or value of a work of art, manuscript, etc.

expertise 2 American  
[ek-sper-tahyz] / ˈɛk spərˌtaɪz /

verb (used with or without object)

Chiefly British.
expertised, expertising

  1. expertize.

expertise British  
/ ˌɛkspɜːˈtiːz /

noun

  1. special skill, knowledge, or judgment; expertness

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of expertise

First recorded in 1865–70; from French: “survey, report (made by experts),” with -ise understood as an abstract noun suffix; expert, -ise 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He has no use for expertise or talent; he prefers people who will grovel before him.

From Salon • Apr. 3, 2026

Influencers’ success now depends more on talent and social-media expertise than before.

From The Wall Street Journal • Apr. 3, 2026

Add his dead-ball expertise and Rice is the full package as a midfielder in the top class.

From BBC • Apr. 2, 2026

Beyond demonstrating a new communication method, the project strengthened expertise in advanced quantum photonics at the University of Warsaw.

From Science Daily • Apr. 1, 2026

Given Cahokia’s engineering expertise, though, solutions were within reach: terracing hillsides, diking rivers, even moving Cahokia.

From "1491" by Charles C. Mann

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.