Sample sentences for DELETERIOUS

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Definition

harmful — often in a subtle way

Inspect the label for deleterious chemical additives.

deleterious = harmful

Adding your signature to an innocuous looking contract can have deleterious long-term implications.
Exposure after two hours can have deleterious effects.
Serious delirious imperious weary us deleterious ways.
Barbara Kingsolver -- The Poisonwood Bible

deleterious = harmful

3 percent of all earth bacteria are capable of exerting some deleterious effect upon man.
Michael Crichton -- The Andromeda Strain

deleterious = harmful

He required his pupils to take the following oath: I will follow that system or regimen which, according to my ability and judgment, I consider to be for the benefit of my patients, and abstain from whatever is deleterious and mischievous.
Jostein Gaarder -- Sophie's World

deleterious = harmful

As he would say, "To use the dreaded word 'cancer' in connection with any clinical procedure on an ill person is potentially deleterious to that patient's well-being, because it may suggest to him (rightly or wrongly) that his diagnosis is cancer or that his prognosis is poor."
Rebecca Skloot -- The Immortal Life of Henrietta Lacks

deleterious = harmful

Or might it suffice him that every wholesome growth should be converted into something deleterious and malignant at his touch?
Nathaniel Hawthorne -- The Scarlet Letter
The Captain continued that deleterious amusement of smoking, long after the inn and the street were gone to bed.
William Makepeace Thackeray -- Vanity Fair
And weight carried around the middle is more deleterious than extra pounds in the butt.
Holly Goldberg Sloan -- Counting by 7s
I'm afraid that a process has been set in motion in which the deleterious effects are hard to foresee," Sandberg said.
Stieg Larsson -- The Girl Who Kicked the Hornet's Nest
But a casual inbreeding was beginning to have deleterious effects on some of the oldest families.
Pat Conroy -- The Lords of Discipline
Moody had tried to tell me that it had no deleterious effects in Iran, but I knew that many of the couples in this room were cousins married to cousins.
Betty Mahmoody -- Not Without My Daughter
He was a mournful dyspeptic, intent on finding out the deleterious ingredients of every dish and diverted from this care only by the sound of his wife's voice.
Edith Wharton -- The House of Mirth
Hans Castorp kept his tobacco away from the deleterious effects of the house's steam heat by storing it in the cellar, and every morning he would descend to provide his cigar case with its daily ration.
Thomas Mann -- The Magic Mountain
These he cultivates with his own hands, and is said even to have produced new varieties of poison, more horribly deleterious than Nature, without the assistance of this learned person, would ever have plagued the world withal.
Nathaniel Hawthorne -- Rappaccini's Daughter
"Dex," as it is known, can temporarily negate the deleterious effects of altitude; each member of Fischer's team carried repared syringe of the drug in a plastic toothbrush case inside a prep his or her down suit, where it wouldn't freeze, for emergencies.
Jon Krakauer -- Into Thin Air
Now, as a proof of my susceptibility to atmosphere, here, as I come into my room, and turn on the light, and see the sheet of paper, the table, my gown lying negligently over the back of the chair, I feel that I am that dashing yet reflective man, that bold and deleterious figure, who, lightly throwing off his cloak, seizes his pen and at once flings off the following letter to the girl with whom he is passionately in love.
Virginia Woolf -- The Waves
And, moreover, Madame Lefrancois, one must know botany, be able to distinguish between plants, you understand, which are the wholesome and those that are deleterious, which are unproductive and which nutritive, if it is well to pull them up here and re-sow them there, to propagate some, destroy others; in brief, one must keep pace with science by means of pamphlets and public papers, be always on the alert to find out improvements.
Gustave Flaubert -- Madame Bovary
It's deleterious to a basic human love of life—let me explain what I mean.
Thomas Mann -- The Magic Mountain

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