Standard Lemma guide

headlong

adj · adv · verb · 13 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈhɛd.lɒŋ/
  • General-American: /ˈhɛd.lɔŋ/
  • cot-caught-merger: /ˈhɛd.lɑŋ/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ɛdlɒŋ
  • CMU ARPABET: HH EH1 D L AO2 NG Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Precipitous.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Plunging downwards head foremost.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Rushing forward without restraint.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

Reckless; impetuous.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adv

Meaning 5

With the head first or down.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: head first

Antonyms: feet first

6

adv

Meaning 6

With an unrestrained forward motion.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • Figures out today show the economy plunging headlong into recession.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

adv

Meaning 7

Rashly; precipitately; without deliberation; in haste, hastily.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

verb

Meaning 8

To precipitate.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

adjective satellite

Meaning 9

with the head foremost

Definition source: Princeton WordNet 3.0

Examples

  • a headfirst plunge down the stairs
  • a headlong dive into the pool

Meaning relationships

Synonyms: headfirst

Antonyms: none provided

10

adjective satellite

Meaning 10

excessively quick

Definition source: Princeton WordNet 3.0

Examples

  • made a hasty exit
  • a headlong rush to sell

Meaning relationships

Synonyms: hasty

Antonyms: none provided

11

adverb

Meaning 11

with the head foremost

Definition source: Princeton WordNet 3.0

Examples

  • the runner slid headlong into third base

Meaning relationships

Synonyms: headfirst

Antonyms: none provided

12

adverb

Meaning 12

in a hasty and foolhardy manner

Definition source: Princeton WordNet 3.0

Examples

  • he fell headlong in love with his cousin

Meaning relationships

Synonyms: rashly

Antonyms: none provided

13

adverb

Meaning 13

at breakneck speed

Definition source: Princeton WordNet 3.0

Examples

  • burst headlong through the gate

Meaning relationships

Synonyms: precipitately

Antonyms: none provided

History

Etymology

From Middle English hedlong, alteration of hedling, heedling, hevedlynge (“headlong”), assimilated to long. More at headling.

Across languages

Translations

63 source translations are retained for this English entry.

  • Bulgarian: прибързан (pribǎrzan) — precipitous
  • Bulgarian: с главата напред (s glavata napred) — plunging downwards head foremost
  • Norwegian: med hode først — plunging downwards head foremost
  • Old English: neowol — plunging downwards head foremost
  • Spanish: de cabeza — plunging downwards head foremost
  • Bulgarian: стремителен (stremitelen) — rushing forward without restraint
  • Bulgarian: буен (buen) — rushing forward without restraint
  • Norwegian: hals over hode — rushing forward without restraint
  • Plautdietsch: onbesonnen — rushing forward without restraint
  • Afrikaans: kop eerste — with the head first or down
  • Bulgarian: с главата напред (s glavata napred) — with the head first or down
  • Catalan: de cap — with the head first or down
  • Catalan: amb cap davant — with the head first or down
  • Finnish: pää edellä — with the head first or down
  • Finnish: päistikkaa — with the head first or down
  • French: la tête la première — with the head first or down
  • German: mit dem Kopf zuerst — with the head first or down
  • Irish: i ndiaidh do chinn — with the head first or down
  • Italian: a testa in avanti — with the head first or down
  • Latin: praeceps — with the head first or down
  • Māori: tūpou — with the head first or down
  • Norwegian Bokmål: med hode først — with the head first or down
  • Norwegian Bokmål: hodestups — with the head first or down
  • Old English: neowol — with the head first or down
  • Portuguese: com a cabeça erguida — with the head first or down
  • Russian: голово́й вперёд (golovój vperjód) — with the head first or down
  • Serbo-Croatian: naglavce — with the head first or down
  • Serbo-Croatian: naglavačke — with the head first or down
  • Spanish: de cabeza — with the head first or down
  • Swedish: huvudstupa — with the head first or down
  • Turkish: kafa üstü — with the head first or down
  • Afrikaans: halsoorkop — with an unrestrained forward motion
  • Bulgarian: стремително (stremitelno) — with an unrestrained forward motion
  • Finnish: päätä pahkaa — with an unrestrained forward motion
  • Finnish: päistikkaa — with an unrestrained forward motion
  • German: kopfüber — with an unrestrained forward motion
  • Ancient Greek: ἰταμός (itamós) — with an unrestrained forward motion
  • Irish: i ndiaidh do chinn — with an unrestrained forward motion
  • Norwegian: hals over hode — with an unrestrained forward motion
  • Polish: na oślep — with an unrestrained forward motion
  • Russian: сломя́ го́лову (slomjá gólovu) — with an unrestrained forward motion
  • Russian: очертя́ го́лову (očertjá gólovu) — with an unrestrained forward motion
  • Russian: стремгла́в (stremgláv) — with an unrestrained forward motion
  • Russian: опроме́тью (oprométʹju) — with an unrestrained forward motion
  • Russian: стреми́тельно (stremítelʹno) — with an unrestrained forward motion
  • Serbo-Croatian: strmoglavce — with an unrestrained forward motion
  • Afrikaans: halsoorkop — in haste, hastily, without deliberation
  • Aghwan: 𐔱𐕒𐕚𐕍𐔰 (bosq̇a) — in haste, hastily, without deliberation
  • Bulgarian: прибързано (pribǎrzano) — in haste, hastily, without deliberation
  • Bulgarian: необмислено (neobmisleno) — in haste, hastily, without deliberation
  • Esperanto: impete — in haste, hastily, without deliberation
  • Finnish: pää kolmantena jalkana — in haste, hastily, without deliberation
  • German: Hals über Kopf — in haste, hastily, without deliberation
  • German: kopfüber — in haste, hastily, without deliberation
  • Italian: a capofitto — in haste, hastily, without deliberation
  • Māori: patiko — in haste, hastily, without deliberation
  • Russian: сломя́ го́лову (slomjá gólovu) — in haste, hastily, without deliberation
  • Russian: очертя́ го́лову (očertjá gólovu) — in haste, hastily, without deliberation
  • Serbo-Croatian: bezglavo — in haste, hastily, without deliberation
  • Spanish: de cabeza — in haste, hastily, without deliberation
  • Sranan Tongo: wantewante — in haste, hastily, without deliberation
  • Sranan Tongo: langalanga — in haste, hastily, without deliberation
  • Tamil: தலைதெறிக்க (talaiteṟikka) — in haste, hastily, without deliberation