False, not authentic, not genuine. / Extraneous; stray; not relevant or wanted. / (archaic) bastardly, illegitimate

(parasitology) A case in which parasites invade a host but do not succeed in colonizing it, for example merely passing through the digestive tract.

plural of spurious infection

Either of the digraphs ει and ου in Ancient Greek, when they represent a long vowel arising from compensatory lengthening or contraction rather than an actual diphthong

plural of spurious diphthong

In a spurious manner.

The property of being spurious.

plural of spuriousness

Misspelling of spuriosity.