Simple Definition of detrimental

from our Learner's Dictionary

detrimental

adjective

ˌdɛtrəˈmɛntl̟

formal : causing damage or injury

The detrimental [=harmful] effects of overeating are well known.

—often + to

She argues that watching too much TV is detrimental to a child's intellectual and social development.

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“Detrimental.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/detrimental. Accessed 19 Jun. 2026.

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