Deadly meaning

dĕd'lē
Deadly is defined as something resembling or related to death, or is something that is true to an extreme extent.

A vampire who is never able to see the light is an example of someone who stalk his prey while standing deadly still.

If you are completely serious about something and will not change your mind at all, this is an example of a time when you are deadly serious.

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The definition of deadly is something likely to be terminal or the cause of your demise, or something complete, something hateful, or something extremely boring.

Cancer that has spread so far that your doctor tells you that you'll live only a few more weeks is an example of something that would be described as deadly.

If you are completely serious about something and will not change your mind at all, this is an example of when you are deadly serious.

If you give your worst enemy a hateful glare, this is an example of when your glare can be described as deadly.

If a class goes on for hours and hours and the teacher is droning on about something you don't care about, this is an example of when the class is deadly.

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Causing or tending to cause death.

Deadly weapons; a deadly spill of radioactive waste products.

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Suggestive of death.

A deadly pallor.

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Aiming or wanting to kill; implacable.

Deadly enemies.

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Absolute; utter.

Deadly concentration.

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Extreme or terrible.

Worked under deadly strain.

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Extremely accurate; unerring.

She is a deadly shot with the bow.

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Dull, tedious, and boring.

A deadly prose style.

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Destructive in effect.

Gave the film a deadly review.

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Tending to take away vitality, effectiveness, or force.

The deadly habit of procrastination.

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So as to suggest death.
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To an extreme.

Deadly serious.

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Causing death or likely to cause death.

A deadly poison.

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To the death; mortal or implacable.

Deadly combat, deadly enemies.

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Typical of death.

Deadly pallor.

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Very harmful; destructive.
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Oppressively tiresome.

A deadly bore.

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Perfectly accurate.

Deadly aim.

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Causing spiritual death.

The seven deadly sins.

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Extreme or excessive.

Deadly silence.

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Out-and-out; utter.

With deadly gravity.

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In a way suggestive of death.

To lie deadly still.

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Extremely or excessively.

Deadly serious.

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Wyclif Bible, Romans i. 23

The image of a deadly man.

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Causing death; lethal.
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Aiming or willing to destroy; implacable; desperately hostile.
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Origin of deadly

Old English dēadlīċ (adj.), dēadlīċe (adv.), corresponding to dead +‎ -ly. Cognate with Dutch dodelijk, German tödlich.