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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
flat mood
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "flat mood" is correct and usable in written English.
It can be used to describe a state of emotional dullness or lack of enthusiasm. Example: "After hearing the disappointing news, she walked around with a flat mood for the rest of the day."
✓ Grammatically correct
News & Media
Wiki
Science
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
7 human-written examples
Andrew Harding is BBC African correspondent: andrew harding (@BBCAndrewH) Strange, flat mood now.
News & Media
There was a rather flat mood among journalists leaving the Galen Centre after Microsoft's keynote briefing at this year's E3 trade show.
News & Media
But these excerpts from my notes at the time (edited somewhat for clarity and concision) convey the flat mood: "Mo Yan's talk — the first half is dreary and wooden and the Chinese journalists around me whisper that he didn't write it, it was written by the writers' association.
News & Media
But it was the inspiration for Kuhn and his team to reason that "if the flat mood of schizophrenia could be lifted by the drug, then could not a depressed mood be elevated also?" Under the brand name Tofranil, imipramine went on to become the first antidepressant — and one of the first blockbuster psychiatric drugs.
News & Media
Strange, flat mood now.
News & Media
Don't allow yourself to make faces, to frown or grimace at people--or even go into a flat mood, as if you are so tired.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
The pacing remains flat, the mood terribly serious.
News & Media
You have to wait too long - in fact right to the end - for the rousing ensemble number which gives the show coherence; some of the dialogue is flat; the moods of Darvill's numbers are insufficiently varied.
News & Media
The Topix share index was almost as flat as the mood around town.That may have partly been because voters have mixed feelings about the DPJ.
News & Media
Instead, with Australia on top and England sometimes pedestrian and often parked, it has had the air of a half-empty kitchen after a raucous house party: the fun parts long gone, the mood flat, a realisation in the air that everyone should probably stop drinking Blue Curacao and just go home to sleep it all off.
News & Media
I love that you were understanding whenever I was in just a plain flat out bad mood.
News & Media
Expert writing Tips
Best practice
When describing clinical conditions characterized by a lack of emotional response, consider using "blunted affect" or "emotional flattening" for more precision.
Common error
Avoid using "flat mood" to describe long-term emotional states or clinical conditions. Terms like "blunted affect" or "emotional flattening" are more appropriate when discussing symptoms of mental health disorders.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "flat mood" primarily functions as a descriptor, modifying a subject to indicate a lack of emotional depth or enthusiasm. Ludwig indicates it's a usable expression. Examples show it describing atmospheres, personal states, and reactions to events.
Frequent in
News & Media
50%
Wiki
21%
Science
14%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "flat mood" describes a state of emotional dullness or lack of enthusiasm. Ludwig confirms that the phrase is grammatically correct and usable in written English, mainly within News & Media contexts. It's important to differentiate a temporary "flat mood" from persistent emotional states indicative of clinical conditions. While alternatives like "low spirits" or "subdued emotion" exist, "flat mood" provides a specific descriptor for a temporary lack of emotional engagement. Remember to use more precise terms when describing clinical emotional states to ensure accuracy.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
emotionally blunted
Describes a state where emotional responses are significantly reduced or absent.
depressed affect
Indicates a clinically low or blunted emotional expression.
unenthusiastic state
Highlights a lack of excitement or eagerness.
subdued emotion
Emphasizes a quiet or restrained expression of feeling.
low spirits
Describes a feeling of sadness or lack of enthusiasm.
uninspired feeling
Highlights the lack of motivation or creativity in a situation.
dampened spirits
Suggests a reduced level of happiness or energy.
lackluster atmosphere
Focuses on the overall environment feeling uninspired or dull.
lifeless sentiment
Conveys a feeling that is devoid of vitality or passion.
apathy
Indicates a complete lack of interest or concern.
FAQs
What does "flat mood" mean?
A "flat mood" refers to a state of emotional dullness, lack of enthusiasm, or reduced emotional expression. It's often used to describe a temporary state of feeling uninspired or unmotivated.
What can I say instead of "flat mood"?
You can use alternatives like "low spirits", "subdued emotion", or "unenthusiastic state" depending on the context.
How is "flat mood" different from depression?
"Flat mood" typically describes a temporary emotional state, while depression is a persistent mental health condition characterized by a range of symptoms including prolonged sadness, loss of interest, and changes in sleep or appetite. If you are experiencing a prolonged "flat mood", it is recommended to consult with a mental health professional.
Is "flat mood" a symptom of any mental health conditions?
Yes, a "flat mood" or blunted affect can be a symptom of conditions such as schizophrenia or depression. However, experiencing a "flat mood" occasionally does not necessarily indicate a mental health disorder.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested