EXTENSIVELY Synonyms: 48 Similar and Opposite Words

extensively

adverb

as in highly

to a large extent or degree several beaches were extensively damaged by the hurricane

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

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 extensively Ducati, however, mentions that the engine will be tuned extensively for Supermoto racing. — New Atlas, 15 July 2026 Set atop a flat promontory overlooking Benedict Canyon, the entire spread, completed in 2000, was renovated in 2017 by developer Gala Asher and extensively updated by the pair. — Wendy Bowman, Robb Report, 15 July 2026 The Hollywood Reporter has extensively covered Amy Bradley Is Missing, released on July 16, 2025. — Tony Maglio, HollywoodReporter, 14 July 2026 Because these products haven’t been studied extensively in humans, experts say there are still plenty of unanswered questions, including what might happen after months or years of use. — Jenna Anderson, Health, 13 July 2026 Chan grew up in Canada but with family in London, and has written extensively about the Royal Family and their influence on pop culture. — Tim Chan, Footwear News, 13 July 2026 Investigators in New York also obtained detailed ledgers of the gang’s bribe payments, which were referenced extensively in the Rocha indictment. — Tim Golden, ProPublica, 13 July 2026 Victor Matheson, a sports economist at Holy Cross University who has written extensively about stadium sales, said the city appeared to be acting reasonably. — Shomik Mukherjee, Mercury News, 13 July 2026 By recruiting extensively in Portugal, finding players with Cape Verdean heritage. — Mark Sappenfield, Christian Science Monitor, 10 July 2026

Recent Examples of Synonyms for extensively

Adverb

Diapers are synonymous with babies, who are born with highly absorbent skin.

— Stephen Hobbs, Sacbee.com, 15 July 2026
Matt Harris, a political science professor at Park University in Parkville, emphasized the highly unusual circumstances surrounding the 5th District, which was drawn mid-decade to boost Republicans’ chances.

— Jack Harvel July 15, Kansas City Star, 15 July 2026

Definition of highly

Adverb

The recent return of service by American Airlines and United Airlines has greatly increased the number of passengers using the airport in Carlsbad over the last two years, according to the San Diego County Department of Public Works.

— Phil Diehl, San Diego Union-Tribune, 19 July 2026
For this reason, studies that measure whether a kid has access to any platform, whether an underage user is using an account or not, will greatly underestimate the law’s effects.

— Ravi Iyer, Time, 18 July 2026

Definition of greatly

Adverb

Drenching storms will start to ease considerably on Friday, with a lower-level flood threat lingering mainly in the western part of the state.

— Mary Gilbert, CNN Money, 15 July 2026
Although considerably shorter than the bridges above it, the structure remains among the longest railway bridges ever constructed.

— Kaif Shaikh, Interesting Engineering, 14 July 2026

Definition of considerably

Adverb

These much larger centers have begun sprouting up across the nation and making headlines for sucking up communities’ water, spiking power bills and causing other environmental issues.

— Alexandra Phelps, Miami Herald, 17 July 2026
The concept for the best-selling book The Five-Star Weekend was initially much darker.

— Clarissa Cruz, Entertainment Weekly, 16 July 2026

Definition of much

Adverb

Higher p-tau217 levels on the original tests were significantly associated with cognitive impairment — a risk that grew over time.

— Sandee LaMotte, CNN Money, 15 July 2026
In the OptiTROP-Lung05 study conducted in China, sac-TMT plus Keytruda significantly delayed tumor progression compared to chemotherapy plus Keytruda in patients with first-line, PDL1-negative, non-squamous lung cancer.

— Elaine Chen, STAT, 15 July 2026

Definition of significantly

Adverb

That victory wasn’t an isolated one, as the much more moderate Mikie Sherrill was elected governor of neighboring New Jersey on a broadly similar affordability pitch.

— Nick Lichtenberg, Fortune, 15 July 2026
That’s why Boasberg paused the policy’s enforcement broadly, rather than limiting the injunction to only CITR members, as the State Department had requested.

— Ashley Belanger, ArsTechnica, 15 July 2026

Definition of broadly

Adverb

Their semi-final against France is an utterly tantalising prospect; a classic clash of an unstoppable force meeting an immovable object.

— Tim Spiers, New York Times, 12 July 2026
And in that regard, Ferrari has utterly outdone itself, especially following the Luce EV debacle.

— New Atlas, New Atlas, 10 July 2026

Definition of utterly

Browse Nearby Words

extensive

extensively

extensiveness

See all Nearby Words

Cite this Entry

Style

“Extensively.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/extensively. Accessed 20 Jul. 2026.

Copy Citation

Synonyms of extensively

adverb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on extensively

More from Merriam-Webster

Word of the Day

raffish

Popular in Grammar & Usage

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

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Do you 'say your piece' or 'say your peace'?

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

Popular in Wordplay

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

Why do we say 'fly off the handle'?

Popular

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

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

Games & Quizzes