Harmful and Serious

Related words

Harmful adjective - Causing or capable of causing harm.

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Serious and harmful are semantically related. In some cases you can use "Serious" instead an adjective "Harmful".

Nearby Words: harm, harmed, harmless, harmfully, harmlessly

Serious adjective - Involving potential loss or injury.

Usage example: a serious accident

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Harmful and serious are semantically related. Sometimes you can use "Harmful" instead an adjective "Serious".

Nearby Words: seriously, seriousness

The serious example is Brock, who constantly does polarizing decisions that are both boneheaded and emotionally harmful to his family.

Source: Series / Reba
There's also The Riddler, who considers his rivalry with Batman a game and who, like Catwoman, is generally not harmful enough to warrant being treated as a serious villain.

Source: Friendly Enemy
Scratch Damage/Gradual Grinder: The spoon is more irritating than actually harmful, but over the course of 10 years does some serious damage.

Source: Web Video / The Horribly Slow Murderer with the Extremely Inefficient Weapon

Cite this Source

Serious and Harmful. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/harmful/serious

Harmful & Serious. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/harmful/serious>.

Serious or Harmful. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/harmful/serious.

Google Ngram Viewer shows how "harmful" and "serious" have occurred on timeline