say it: uh-SOO-ming
assuming is an adjective meaning "excessively forward". It carries one recorded sense.
excessively forward
“an assumptive person”
“on a subject like this it would be too assuming for me to decide”
“the duchess would not put up with presumptuous servants”
Definitions, synonyms and semantic relations for assuming 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.