say it: TRANG-kwuh-lahy-zing
tranquilizing is an adjective meaning "tending to soothe or tranquilize". It carries one recorded sense.
tending to soothe or tranquilize
“valium has a tranquilizing effect”
“took a hot drink with sedative properties before going to bed”
Definitions, synonyms and semantic relations for tranquilizing 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.