Standard Lemma guide

spacelike

adj · 3 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

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  • /ˈspeɪslaɪk/

1

adj

Meaning 1

having the properties of space

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

2

adj

Meaning 2

lying outside each other's light cone, so that no information can pass from one to the other

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

having a space component of greater magnitude than its time component multiplied by the speed of light

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From space + -like. Compare spacely.

Across languages

Translations

3 source translations are retained for this English entry.

  • German: raumartig — having the properties of space
  • German: raumartig — physics, of the interval between two events in spacetime
  • German: raumartig — mathematics, of a four-vector