Unlightable

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Incapable of being illuminated or made light or bright; unable to affix with a light. not-comparable
  2. 2
    Incapable of catching fire or being ignited. not-comparable

Synonyms

All synonyms
unignitableunilluminable

Etymology

From un- (“not”) + lightable (“capable of being lighted”).

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