adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of or relating to the Sun, especially rising and setting with the sun. rare
2. 2
   Of or relating to the rising of a star when it first becomes visible just before sunrise in the eastern sky, having previously been made invisible by sunlight, or the analogous situation of its setting just after sunset.

Adjective

1. 1
   pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun wordnet

Synonyms

All synonyms

astralastronomicastronomicalastrophysicalgalacticheavenly

Etymology

From Ancient Greek ἡλιακός (hēliakós, “of the sun”) + -al. Appears in English first in the 16th century.

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