hieroglyph UK /ˈhaɪ.ɹəˌɡlɪf/US /ˈhaɪɚ.əˌɡlɪf/noun 3verb 1forms 3 noun3 •An element (individual sign or glyph) of a hieroglyphic writing system.Hieroglyphs were discovered on the wall inside the temple. •In particular, an Egyptian hieroglyph. •(informal) Any obscure or baffling symbol.With your handwriting, it's no surprise the Prof can't read your hieroglyphs! verb1 •To represent by hieroglyphs. formshieroglyphed · hieroglyphing · hieroglyphs