Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
counterintuitive is an adjective meaning "contrary to what common sense would suggest". It carries one recorded sense.
contrary to what common sense would suggest
Definitions, synonyms and semantic relations for counterintuitive come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.