Dictionary.com
Thesaurus.com
Showing results for expertise. Search instead for expert real.
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; see expert, -ise 2

Explanation

When you're an expert at something, you show expertise — or an exceptional knowledge of the subject. "He had expertise in accounting, having excelled in math, but he had even more expertise in dancing, his hobby since a small child." Expertise has obvious roots in the word expert. Just about any interest or field has a place for experts. Just as one individual has expertise in world religions, another may have expertise in computer gaming. Working hard or immersing yourself in a specialty leads to expertise, and it comes through both study and hands-on experience.

Keep Reading on Vocabulary.com

Vocabulary lists containing expertise

Academic Vocabulary Toolkit 1, Words 41-50

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

"The Book Thief" by Markus Zusak, Part Eight

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

English Words Derived from French, List 4

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!

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.

As infrastructure is established and expertise grows, each subsequent project becomes easier to build, less risky and less expensive.

From Salon • May 9, 2026

Now she’s sharing her expertise with the masses in “The Rush Bible,” a new book out May 12 that offers a road map for getting into Greek life.

From The Wall Street Journal • May 8, 2026

Ballou, who is working with the press freedom groups, previously served as a Justice Department special counsel with expertise in private equity transactions.

From Los Angeles Times • May 8, 2026

Luis Enrique's expertise at rebuilding a culture as well as a football team means Arsenal will confront the complete package when they meet Paris St-Germain in the Champions League final.

From BBC • May 6, 2026

“I prepared for this conversation because...well, this isn’t necessarily my area of expertise, and I wanted to be sure I was doing right by you.”

From "A High Five for Glenn Burke" by Phil Bildner

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.