1. (adj) igneous, pyrogenic, pyrogenous
produced under conditions involving intense heat
Synonyms: pyrogenetic, pyrogenic, igneous, pyrogenous, eruptive, fiery
Antonyms: cold, aqueous, sedimentary
2. (adj) igneous, eruptive
produced by the action of fire or intense heat
Synonyms: pyrogenic, igneous, pyrogenous, eruptive, fiery
Antonyms: sedimentary, cold, aqueous
3. (adj) fiery, igneous
like or suggestive of fire
Synonyms: perfervid, flaming, eruptive, fervid, ardent, pyrogenous, fiery, fervent, igneous, torrid, impassioned, pyrogenic
Antonyms: sedimentary, cold, aqueous
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Synonyms for igneous 
