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adv

headlong

HEHD-long

Headlong (adv) means Head first, or with reckless, unrestrained speed. Example: “He dove headlong into the pool without checking the depth.”

adv
1
Head first, or with reckless, unrestrained speed.
"He dove headlong into the pool without checking the depth."
"The company rushed headlong into the deal without doing its research."
adj
1
Rash, hasty, or plunging forward without thinking things through.
"Her headlong decision to quit surprised everyone at the office."

How to use headlong

Learner’s notes

In plain EnglishRushing forward carelessly or at full speed, without stopping to think.

Common pairings
rush headlong plunge headlong headlong rush

Word forms

more headlong comparative, headlonged past tense, headlongs singular, most headlong superlative

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He dove _____ into the pool without checking the depth.

Etymology

From Middle English hedlong, an old form reshaped by association with the word long, ultimately tied to head.

Origin: Middle English

rashly headfirst precipitately

Antonyms

Related words

Frequently asked questions

What does “headlong” mean?

The word “headlong” means head first, or with reckless, unrestrained speed. In plain terms, rushing forward carelessly or at full speed, without stopping to think.

How do you pronounce “headlong”?

“Headlong” is pronounced HEHD-long (/ˈhɛd.lɔŋ/ in IPA).

How do you use “headlong” in a sentence?

Here is “headlong” used in a sentence: “He dove headlong into the pool without checking the depth.”

What is the opposite of “headlong”?

The opposite of “headlong” — its antonyms — is arselong.

What part of speech is “headlong”?

Depending on how it is used, “headlong” can be an adverb and an adjective.

Where does the word “headlong” come from?

The word “headlong” comes from Middle English. From Middle English hedlong, an old form reshaped by association with the word long, ultimately tied to head.

How many meanings does “headlong” have?

“Headlong” has 2 distinct senses listed in this dictionary. The most common is: head first, or with reckless, unrestrained speed.

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Definitions: FreeDict original editorial