say it: FAK-toyd
factoid is a noun meaning "something resembling a fact; unverified (often invented) information that is given credibility because it appeared in print". It carries 2 recorded senses.
something resembling a fact; unverified (often invented) information that is given credibility because it appeared in print
a brief (usually one sentence and usually trivial) news item
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for factoid 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.