Solar

//ˈsoʊlə(ɹ)// adj, noun

adj, noun ·Common ·High school level

Definitions

Noun
  1. 1
    Ellipsis of solar energy. abbreviation, alt-of, ellipsis, uncountable

    "He’s a player in robots and solar, cryptocurrency and climate, brain-computer implants to stave off the menace of artificial intelligence and underground tunnels to move people and freight at super speeds."

  2. 2
    A loft or upper chamber forming the private accommodation of the head of the household in a medieval hall; a garret room. historical
  3. 3
    A fictional currency used in science fiction. uncountable
Adjective
  1. 1
    Of or pertaining to the sun; proceeding from the sun. not-comparable

    "solar light"

  2. 2
    Alternative letter-case form of solar (“pertaining to the Sun (the star Sol)”). alt-of, not-comparable

    "We have not yet the instruments that we want for that work, but I have asked for a Solar spectrograph, and I am already in the preliminary talkings to order a spectroheliograph […]"

  3. 3
    Born under the predominant influence of the sun. not-comparable, obsolete

    "and proud beside, as solar people are"

  4. 4
    Measured by the progress or revolution of the sun in the ecliptic; as, the solar year. not-comparable
  5. 5
    Produced by the action of the sun, or peculiarly affected by its influence. not-comparable

    "They denominate some herbs solar, and some lunar."

Show 1 more definition
  1. 6
    Employing solar power. not-comparable

    "a solar furnace"

Adjective
  1. 1
    relating to or derived from the sun or utilizing the energies of the sun wordnet

Synonyms

All synonyms
anagalacticasteroidalastralastrologicastrologisticastrologous

Antonyms

All antonyms
lunar

Example

More examples

"Engineers are crazy about solar energy."

Etymology

Etymology 1

From Late Middle English solar, from Latin sōlāris, from sōl (“sun”), from Proto-Indo-European *sóh₂wl̥ (“sun”).

Etymology 2

From Middle English solar, soler; from a conflation of Old English soler, solere (“raised platform; loft, upper room, upper part of a house, soler”), from Latin sōlārium; and Old English solor, salor (“residence, dwelling; hall; palace”), from Proto-West Germanic *salaʀ, from Proto-Germanic *salaz, *salą (“house, room, hall”). More at sale.

Etymology 3

By surface analysis, Sol + -ar.

Related phrases

active solarlocal solar timemean solar timesolar apexsolar arraysolar bargesolar barquesolar batterysolar boatsolar calendarsolar carsolar cell

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