Standard Lemma guide

headspace

noun · verb · 9 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.

  • /ˈhɛdspeɪs/
  • General-American: Recorded audio is listed in the source snapshot.
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

The space between the top of the contents of a container (such as a jar) and its seal (such as a lid).

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: headroom, ullage

Antonyms: none provided

2

noun

Meaning 2

One's capacity for mental activity modeled as a physical space with limits.

Definition source: English Wiktionary via Wiktextract

Usage: countable, informal, uncountable

Examples

  • Meronym: mindshare

Meaning relationships

Synonyms: brainspace

Antonyms: none provided

3

noun

Meaning 3

One's mental state or state of mind.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A time and opportunity for reflection and thinking.

Definition source: English Wiktionary via Wiktextract

Usage: countable, informal, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

The gap between the face of the bolt and the stopping surface for the cartridge.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: engineering, firearms, government, military, natural-sciences, physical-sciences, politics, tools, war, weaponry

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

The gas phase in contact and in equilibrium with a nonvolatile liquid in a sample.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

A place within a person (singlet or multiple) that they can visit or inhabit.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Qualifier: multiplicity slang

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: innerworld, mindscape, wonderland

Antonyms: none provided

8

verb

Meaning 8

To occupy a headspace.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

Topics: engineering, firearms, government, military, natural-sciences, physical-sciences, politics, tools, war, weaponry

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

the volume left at the top of a filled container (bottle or jar or tin) before sealing

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: indefinite quantity

History

Etymology

From head + space.

Real reading context

headspace in complete knowledge articles