say it: eh-RAT-i-klee
erratically is an adverb meaning "in an erratic unpredictable manner". It carries one recorded sense.
in an erratic unpredictable manner
“economic changes are proceeding erratically”
Definitions, synonyms and semantic relations for erratically 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.