Lightyear

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Alternative spelling of light year. alt-of, alternative

Synonyms

All synonyms
lyly

Example

More examples

"A lightyear is the distance that light travels in one year."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.