Thesaurus.com
Dictionary.com
Definitions

deleterious

[del-i-teer-ee-uhs] / ˌdɛl ɪˈtɪər i əs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Demand destruction is among the many deleterious consequences of oil near $100 a barrel, said Pavel Molchanov, investment strategy analyst at Raymond James.

From MarketWatch Apr. 14, 2026

When they met in Munich last month, California Gov. Gavin Newsom sought his views on curbing the addictive and deleterious effects of social media on children.

From The Wall Street Journal Mar. 27, 2026

If one deteriorates, the other is almost certain to do so as well, with deleterious consequences.

From Barron's Mar. 7, 2026

"Those beneficial mutations in the old environment might become deleterious in the new environment."

From Science Daily Dec. 24, 2025

“The results are always more significant if the patient and I are alone when the psychosubstantiation tests are performed. External distractions have a deleterious effect on the ramified scores.”

From "Flowers for Algernon" by Daniel Keyes




Vocabulary lists containing deleterious


Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training