say it: SPYUUR-ee-uhs
spurious is an adjective meaning "ostensibly valid, but not actually valid". It carries 4 recorded senses.
born out of wedlock
“the dominions of both rulers passed away to their spurious or doubtful offspring”
false or fake; not what it appears to be
“a spurious work of art”
Definitions, synonyms and semantic relations for spurious come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.