brain wave

noun

Definition of brain wavenext
as in theory

Related Words

Relevance

Dissimilar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of brain wave In simpler terms, their brain waves and yours can get synchronized. — Marcia Luttrell, San Diego Union-Tribune, 15 Feb. 2026 In one study, published in , the researchers looked at fast brain waves that flicker about 70 to 150 times per second through a part of the brain involved in speech perception. — Elise Cutts, Scientific American, 12 Feb. 2026 But that brain wave data is still highly personal and can reveal a lot about a person’s mental or emotional state. — Emily Mullin, Wired News, 22 Dec. 2025 Building on his recent study of macaques, Miller’s goal is to conclusively identify a brain wave signature of unconsciousness in humans. — Big Think, 20 Aug. 2025 See All Example Sentences for brain wave
Recent Examples of Synonyms for brain wave
  1. theory
  2. hypothesis
  3. guess
  4. brainchild
  5. inspiration
  6. speculation
  7. conjecture
  8. conviction
Noun
  • Several theories involving collective electronic interactions remain possible.
    — Neetika Walter, Interesting Engineering, 5 Sep. 2026
  • This means Bitcoin’s next bear market bottom could be some time in November, four years after the last bear market bottom in November 2022, if the theory holds true, according to Fidelity’s fourth quarter crypto market outlook.
    — Marco Quiroz-Gutierrez, Fortune, 4 Sep. 2026
Definition of theory
Noun
  • But by Friday evening, when Elsinore had its world premiere in Telluride, I was forced to revise my hypothesis.
    — Scott Feinberg, HollywoodReporter, 5 Sep. 2026
  • Moran plans to put that hypothesis to the test in about a month in a clinical trial for patients with colorectal, breast, and head and neck cancers who are undergoing chemotherapy.
    — Jackie Flynn Mogensen, Scientific American, 3 Sep. 2026
Definition of hypothesis
Noun
  • When a trial will take place – or whether a trial will take place – is anybody’s guess.
    — Mike Kelly, USA Today, 7 Sep. 2026
  • Each virtual cube contained a list of numbers called a vector with its memory and a guess about object category, both of which can evolve over time.
    — Matthew Hutson, Scientific American, 6 Sep. 2026
Definition of guess
Noun
  • Getting Rolling RoboBall is the brainchild of Jangale’s advisor, former NASA robotics engineer Robert Ambrose, who first conceived of the design in 2003.
    — IEEE Spectrum, IEEE Spectrum, 3 Sep. 2026
  • The first publicly available fund tracking the S&P 500 index was the brainchild of the late John Bogle, founder of The Vanguard Group.
    — Medora Lee, USA Today, 31 Aug. 2026
Definition of brainchild
Noun
  • The inspiration behind Keoghan’s signature eyebrow arch was fully revealed when Majors’ wife, Faith, approached Keoghan at the Kentucky Derby.
    — Bryan Alexander, USA Today, 5 Sep. 2026
  • As a young sportswriter studying journalism at the University of Missouri, Seth Wickersham looked to Los Angeles for inspiration.
    — Aaron Reiss, Los Angeles Times, 5 Sep. 2026
Definition of inspiration
Noun
  • There is no shortage of speculation, as Hobaiter and Dominy summarise in their paper.
    — Mike McRae September 02, New Atlas, 3 Sep. 2026
  • That left Apple’s stock vulnerable to rumors and speculation about Jobs’ health after the company disclosed his cancer diagnosis in 2004.
    — Allison Morrow, CNN Money, 2 Sep. 2026
Definition of speculation
Noun
  • That conjecture could be broken down into two separate problems.
    — Leila Sloman, Quanta Magazine, 31 Aug. 2026
  • The American public distrusts its legal institutions and media outlets, creating a vacuum in which wild conjecture can bloom.
    — Jessica Winter, New Yorker, 22 Aug. 2026
Definition of conjecture
Noun
  • Bottom line Astra doesn't change our read on Palo Alto's results, which strengthened our conviction that cybersecurity is the software component that enables the adoption of artificial intelligence.
    — Zev Fima, CNBC, 2 Sep. 2026
  • As of July 11, 70% of the nearly 66,000 people in ICE custody had no criminal conviction, according to the Transactional Records Access Clearinghouse, which analyzes federal immigration data.
    — María Luisa Paúl, USA Today, 2 Sep. 2026
Definition of conviction

Browse Nearby Words

brainwashing
brain wave
brain waves
See all Nearby Words

Cite this Entry

“Brain wave.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brain%20wave. Accessed 10 Sep. 2026.

Copy Citation

More from Merriam-Webster on brain wave

Britannica.com: Encyclopedia article about brain wave

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of loath

See Definitions and Examples »

Popular in Grammar & Usage

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Why do we use apostrophes to show possession?

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?
See More

Popular in Wordplay

See More

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary

Words from the 'Odyssey'

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of
See More

Popular

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
anagrams on a chalk board
Word Builder Quiz Vol. 2 Pick the letter that when added to a word will ma...
See All