say it: SOH-soh
so-so is an adjective and adverb meaning "being neither good nor bad". It carries 2 recorded senses.
being neither good nor bad
“an indifferent performance”
“a gifted painter but an indifferent actor”
“her work at the office is passable”
“a so-so golfer”
“feeling only so-so”
“prepared a tolerable dinner”
“a tolerable working knowledge of French”
in an acceptable (but not outstanding) manner
“she plays tennis tolerably”
Definitions, synonyms and semantic relations for so-so 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.