I. stəˈkastik adjective
Etymology: Greek stochastikos skillful in aiming, proceeding by guesswork, from (assumed) stochastos (verbal of stochazesthai to aim at, guess at, from stochos target, aim, guess) + -ikos -ic — more at sting
: random
stochastic processes
stochastic variables
II. adjective
: involving chance or probability : probabilistic
a stochastic model of radiation-induced mutation
• stochastically adverb