Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
alien thought
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "alien thought" is correct and usable in written English.
It can be used to describe a thought or idea that feels foreign, strange, or unfamiliar to someone. Example: "As she listened to the philosopher's lecture, she found herself grappling with alien thoughts that challenged her long-held beliefs."
✓ Grammatically correct
News & Media
Science
Wiki
Academia
Encyclopedias
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
4 human-written examples
Under the 1952 law, an alien thought likely to engage in terrorist, anarchist or subversive activities is considered "excludable". It permits the barring of visitors on the basis of advocacy as well as action.
News & Media
Arthur Schlesinger, present at the meeting, noted how "the question hovered for a moment, then died away". It was "a hopelessly alien thought in a field of unexplored assumptions and entrenched convictions". The Washington rules kept the United States on a steady course toward disaster.
News & Media
Incrementalism is an alien thought.
News & Media
Inside they find stone cylinders, a monolithic statue of a humanoid head, and the decapitated corpse of a large alien, thought to be an Engineer; Shaw recovers its head.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Like a character from an old Star Trek episode, I need to concentrate to overcome the alien thoughts that are controlling my mind.
News & Media
Of course, she blamed his parents, who had somehow, long ago, accidentally or on purpose, raised him as a space alien, with space-alien values, space-alien thoughts, and the hollow, shifty character, concocted guilelessness, and sociopathic secrets of a space alien.
News & Media
Rather, Natorp claims to find in the first Critique itself the basis for his view that intuition is not a factor "alien to thought [denkfremd]," but that it merely signifies a different aspect of thinking, viz.
Science
Whitmore then mentions that while he was being attacked, he saw the alien's thoughts; what its species were planning to do.
Wiki
The idea that the way to world peace is through unprovoked wars is alien to the thought and practice of Wilson, Franklin Roosevelt, Harry Truman and John Kennedy, all of whom Gerson claims as inspirations for George W. Bush.
News & Media
I enjoyed Prometheus, Ridley Scott's pseudo-prequel to Alien, but the thought of Damon Lindelof filtering his fascination with grand but utterly impenetrable themes into the greatest space opera series of all time would be enough to have most of us hitting the jump-to-lightspeed button tout suite.
News & Media
It is true that Kepler's work led the way to Newton's mechanics, which cannot be described in terms of ancient geometry and number theory but relies on the calculus and which relies on a theory of physical forces that is alien to ancient thought.
Science
Expert writing Tips
Best practice
When using "alien thought", ensure the context clearly establishes whose perspective the thought is alien to. This adds clarity and prevents misinterpretation.
Common error
Avoid using "alien thought" to describe intrusive thoughts experienced in mental health conditions like OCD, unless you are explicitly drawing a metaphorical comparison. Intrusive thoughts are unwanted and distressing, but the term "alien thought" might imply an external origin, which isn't always the case.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "alien thought" functions primarily as a noun phrase modified by an adjective. It denotes a thought that is foreign, unfamiliar, or strange to the individual experiencing it. As confirmed by Ludwig AI, it's suitable for describing unfamiliar ideas.
Frequent in
News & Media
30%
Academia
25%
Science
20%
Less common in
Wiki
10%
Encyclopedias
10%
Formal & Business
5%
Ludwig's WRAP-UP
The phrase "alien thought" is a grammatically correct and usable English phrase that signifies a thought or idea that feels foreign, strange, or unfamiliar. Ludwig AI confirms its validity and applicability in various contexts. While its frequency is uncommon, it appears in diverse domains, including news, academia, and science. Semantically related alternatives include "foreign thought" and "strange notion". When employing "alien thought", it's crucial to ensure that the perspective to whom the thought is alien is clear. Avoid using it loosely to describe intrusive thoughts. In summary, "alien thought" serves as a valuable tool for articulating concepts that challenge conventional understanding.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
foreign thought
Direct synonym, suggesting an idea originating from a different culture or perspective.
strange thought
Emphasizes the unusual or peculiar nature of the thought.
unfamiliar idea
Focuses on the lack of recognition or understanding of the concept.
extraneous thought
Implies a thought that is irrelevant or unrelated to the current context.
bizarre notion
Highlights the odd or eccentric quality of the thought.
peculiar concept
Indicates that the concept is unusual and possibly difficult to grasp.
novel idea
Stresses the new or original nature of the thought.
unconventional thinking
Describes a thought process that deviates from the norm.
radical concept
Indicates that the concept is groundbreaking and potentially disruptive.
outlandish idea
Suggests the idea is wildly strange or improbable.
FAQs
How can I use "alien thought" in a sentence?
You can use "alien thought" to describe a concept or idea that is foreign, strange, or unfamiliar to someone. For example: "The philosopher presented an "alien thought" that challenged conventional wisdom".
What's a good substitute for "alien thought"?
Alternatives to "alien thought" include "foreign idea", "strange notion", or "unfamiliar concept", depending on the specific nuance you want to convey.
Is it appropriate to use "alien thought" in formal writing?
Yes, "alien thought" is appropriate in formal writing, especially when discussing philosophical, cultural, or scientific concepts that are new or different. However, consider your audience and ensure the meaning is clear.
What is the difference between "alien thought" and "intrusive thought"?
"Alien thought" typically refers to a thought that is foreign or unfamiliar in origin or nature. "Intrusive thought", on the other hand, is a term used in psychology to describe unwanted and distressing thoughts that intrude into a person's mind, often associated with conditions like OCD.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested