stochastic

adjective

sto·​chas·​tic stə-ˈka-stik  stō- 

1

: random

specifically : involving a random variable

a stochastic process

2

: involving chance or probability : probabilistic

a stochastic model of radiation-induced mutation

stochastically

stə-ˈka-sti-k(ə-)lē 

adverb

Examples of stochastic in a Sentence

Recent Examples on the Web

This phenomenon is driven by stochastic processes, which are ever-present in a highly random market. —Clem Chambers, Forbes, 20 Mar. 2025

For both neuromorphic and probabilistic computing, the ultimate efficiency gains will likely require devices and circuits that harness physical sources of noise to directly embody stochastic dynamics. —Evan Ackerman, IEEE Spectrum, 1 Mar. 2019

The stochastic oscillator is pointing lower with room to oversold territory, and a new MACD ‘sell’ signal increases the possibility of a test of support as geopolitical tensions foster more selling pressure. —Katie Stockton, CNBC, 3 Feb. 2025

This is because LLMs are stochastic (random) in nature unlike a deterministic piece of software. —Shailesh Manjrekar, Forbes, 21 Jan. 2025

Word History

Etymology

Greek stochastikos skillful in aiming, from stochazesthai to aim at, guess at, from stochos target, aim, guess — more at sting

First Known Use

1934, in the meaning defined at sense 1

Rhymes for stochastic

• aplastic
• bombastic
• dynastic
• dysplastic
• elastic
• fantastic
• gymnastic
• monastic
• sarcastic
• scholastic
• silastic
• aeroelastic

Medical Definition

stochastic

adjective

sto·​chas·​tic stə-ˈkas-tik  stō- 

1

: involving a random variable

a stochastic process

2

: involving chance or probability

a stochastic model of radiation-induced mutation

stochastically

-ti-k(ə-)lē 

adverb