ophidian (noun) serpent: reptile
Detalii: snake's name comes from Old High German and Norse words meaning 'crawler' or 'creeper,' from Latin meaning 'crawl'; serpent and snake mean the same thing, and reptile is the general word for the class that includes snakes
Sinonime: incontestable, indisputable, invulnerable, irrefutable, unassailable
Antonime: possible,
questionable,
uncertain