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.
operationalist is an adjective meaning "of or relating to or espousing operationalism". It carries one recorded sense.
of or relating to or espousing operationalism
“operationalist doctrine”
Definitions, synonyms and semantic relations for operationalist come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.