heliophobia.
Fear of sunlight; dislike and strenuous avoidance of direct sunlight (and, in some cases, all sunlight).
Meaning & usage
Fear of sunlight; dislike and strenuous avoidance of direct sunlight (and, in some cases, all sunlight).
Where this word comes from
Etymology tree Proto-Indo-European *sóh₂wl̥ Proto-Indo-European *sh₂wél(i)yos Proto-Hellenic *hāwélios Ancient Greek ἥλῐος (hḗlĭos) English helio- Proto-Indo-European *bʰegʷ- Ancient Greek φόβος (phóbos) Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-i-eh₂ Proto-Hellenic *-íā Ancient Greek -ῐ́ᾱ (-ĭ́ā) Ancient Greek -φοβία (-phobía)der. Latin New Latinbor. English -phobia English heliophobia From helio- + -phobia.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.