<p><strong>Adjective:</strong></p><ul><li>Also hieroglyphical.</li><li>Designating or pertaining to a pictographic script, particularly that of the ancient Egyptians, in which many of the symbols are conventionalized, recognizable pictures of the things represented.</li><li>Inscribed with hieroglyphic symbols.</li><li>Hard to decipher; hard to read.</li></ul><p><strong>Noun:</strong></p><ul><li>Also hieroglyph.</li><li>A hieroglyphic symbol.</li><li>Usually hieroglyphics.</li><li>Hieroglyphic writing.</li><li>A figure or symbol with a hidden meaning.</li><li>Hieroglyphics, handwriting, figures, characters, code, etc., difficult to decipher: the confusing hieroglyphics of advanced mathematics.</li></ul>