HEADFIRST Synonyms: 37 Similar and Opposite Words

headfirst

adverb

Definition of headfirst

as in recklessly

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 headfirst Students said being on the robotics team offered them a chance to dive headfirst into engineering and design, things that several team members wanted to explore but did not have easy access to. — P.r. Lockhart, Hartford Courant, 8 June 2026 The Nationals ran hard, put their bodies on the line by sliding headfirst and kept the line moving en route to a 9-4 victory. — Danielle Allentuck, Washington Post, 31 May 2026 Still, diving headfirst into the city and a competitive industry was a shock. — Ellise Shafer, Variety, 28 May 2026 On a playground, this might mean climbing tall towers, going headfirst down a slide or roughhousing. — Marie Helweg-Larsen, The Conversation, 4 May 2026 See All Example Sentences for headfirst

Recent Examples of Synonyms for headfirst

Adverb

Flying an unmanned aircraft system carelessly or recklessly, interfering with a first responder operation, is also a misdemeanor under state law and San Diego municipal code.

— Sydney Brammer, San Diego Union-Tribune, 11 July 2026
Long before the Ingalls family arrived in Kansas, the Osage people bore the brunt of white settlers recklessly seizing their land without consultation.

— Max Gao, IndieWire, 10 July 2026

Definition of recklessly

Adverb

After midnight may be becoming the new prime time for online shopping, especially for Gen Zers, who impulsively overspend during those hours more than any other age groups, a new survey showed.

— Roy Stephen Canivel, Footwear News, 14 July 2026
The two were married twice — the second time officially in a Los Angeles courthouse, the first time impulsively (and unofficially) in a tiny Las Vegas ceremony, which had only cost them $799, per Cosmopolitan.

— Brianna Zigler, Entertainment Weekly, 2 July 2026

Definition of impulsively

Adverb

Martin picks up where Max left off, his search leading him through the back lanes of Sydney, the homes of the rich and powerful, and headlong into a bloody shoot-out in the depths of the Blue Mountains.

— Jesse Whittock, Deadline, 16 July 2026
But the company’s green ambitions ran headlong into its commercial aims.

— Matt Day, Fortune, 9 July 2026

Definition of headlong

Adverb

Mediators of the deal, led by Pakistan and Qatar, will almost certainly now be hurriedly trying to get the agreement back on the rails.

— Ivana Kottasová, CNN Money, 8 July 2026
Was the hurriedly outfitted 747 more vulnerable to threats from Iran, which shares a border with Turkey, and which Trump had just threatened to strike again?

— Rob Crilly, The Washington Examiner, 8 July 2026

Definition of hurriedly

Adverb

Those flows then fell precipitously to levels too low for most sane boaters.

— Elise Schmelzer, Denver Post, 16 July 2026
The zoo is facing headwinds as membership has declined precipitously and facilities have deteriorated, according to an Los Angeles County civil grand jury report.

— Los Angeles Times, Los Angeles Times, 11 July 2026

Definition of precipitously

Browse Nearby Words

headers

headfirst

headgear

See all Nearby Words

Cite this Entry

Style

“Headfirst.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/headfirst. Accessed 21 Jul. 2026.

Copy Citation

Synonyms of headfirst

adverb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on headfirst

More from Merriam-Webster

Word of the Day

dog days

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