Deleterious

/ˌdɛlɪˈtɪəriəs/adjective

Causing harm or damage, often in a subtle or gradual way. It can describe the negative impact of a particular action, decision, or situation.

The company's lack of investment in employee training had a deleterious effect on their overall performance and morale.Business
The new software update had a deleterious impact on the system's compatibility with older devices, leading to widespread complaints from users.Technology

Origin: From Latin 'deleterius', meaning 'harmful' or 'injurious', derived from 'deletere', which means 'to destroy'.

Mar 1March 2, 2026Mar 3

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