Meaning

A neurotropic nematode parasite (Parelaphostrongylus tenuis)..

Definitions by Sense

1. A neurotropic nematode parasite (Parelaphostrongylus tenuis).
2. (science fiction) Any parasitic, worm-like species that inhabits the brain of another organism, typically altering its behaviour or giving it special abilities.
3. (figurative, informal) A song or melody that keeps playing inside of one's mind.
4. (figurative, slang, sometimes derogatory) A persistent delusion or obsession; a deeply-ingrained or unquestioned idea.

Example Sentences

Only rarely do we find a brainworm-infected moose that has larvae in its feces.

She caught my expression, and added quickly, “Oh, but not bad brain worms. Good brain worms. They know most of the languages that are spoken across the worlds, and pretty soon you will too.”

"Yes. And I'm going to get back to her. Nothing's going to stand in the way of that. Not two thousand years...not some overambitious species that think they're gods...not monsters or brain-worms or secret assassins."

This allows brain worms to animate their dead bodies, creating shambling warriors that fight for their queens.

Which points out the difference between this song and other brainworms.

Although brainworms are no doubt ancient, the term has come into common use only in the last few decades, probably because suddenly music is ubiquitous, […]

The hallucinations in question are exaggerated forms of 'brainworms' – music stuck in the head.

[…] but I've already found my mood has improved and the time I've spent having fun with my kid, reading, keeping fit, etc. has increased markedly as my screen time (and my brain worms) have dwindled.

Word Forms

• brainworms
• brain worm
• brain-worm

Synonyms for brainworm

Related Words

When Should You Use Brainworm?

Use brainworm when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.

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