NYT Dictionary

LUMINAL

/ˈluːmənl/
AdjectiveNounLU-mi-nallu-mi-nal · 3 syllablesGrade 10

Accepted in official NYT Spelling Bee puzzle years: 2025, 2026

Meaning

of or pertaining to the lumen

Etymology

Origin: Latin

From Latin lumina (“lights”) + English -al.

Synonyms & Antonyms

Synonyms

sodium thiopentallumicphenobarbitalphenobarbitonealcoholanalgesicanodynebarbbarbiturateblue

Antonyms

basalolateral

NYT Puzzle Appearances

No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2025, 2026.

Join the Spelling Bee Community

Get solving strategies, rare word lists, and puzzle tips in your inbox every week.