say it: uhn-an-TIS-uh-pay-tid
unanticipated is an adjective meaning "not anticipated". It carries one recorded sense.
not anticipated
“unanticipated and disconcerting lines of development”
“unforeseen circumstances”
“a virtue unlooked-for in people so full of energy”
“like a bolt out of the blue”
“unseen problems”
Definitions, synonyms and semantic relations for unanticipated 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.