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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
not always sure
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not always sure" is grammatically correct and can be used in written English.
It is typically used to express doubt or uncertainty about something. Example: "I'm not always sure if I made the right decision, but I did what felt best at the time."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
not entirely certain
somewhat unsure
a bit doubtful
not always secure
not always available
not actually sure
still uncertain
not certain yet
not really sure
not just sure
not quite sure
not yet mad
unsure at this time
not ever sure
not already sure
not yet profitable
not yet close
not yet fat
not yet convinced
not yet sure
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
58 human-written examples
Even women doctors are not always sure what to do.
News & Media
They're not always sure why, or for whom.
News & Media
Sometimes we're not always sure where we're going.
News & Media
Little wonder that even emperors were not always sure who their real fathers were.
News & Media
(Well, most journalists; our science editor we're not always sure about).
News & Media
"People are not always sure what's made up and what's true," he said.
News & Media
I must confess, I like Eli Manning, though I'm not always sure why.
News & Media
People recognize Paul Giamatti in public sometimes, but they're not always sure why.
News & Media
But when the children are asked why they like things, they're not always sure.
News & Media
He was not always sure whether he was still in the police.
News & Media
I have never been to hell, though I am not always sure.
News & Media
Expert writing Tips
Best practice
Use "not always sure" to convey uncertainty, but consider adding context to clarify the source or reason for the lack of certainty. For example, "I'm "not always sure" what the best course of action is in these situations."
Common error
Avoid using "not always sure" as a vague statement. Always provide context to explain what you're unsure about or why you lack certainty. For example, instead of saying "I'm "not always sure", specify what you're unsure of: "I'm "not always sure" if this approach will work."
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not always sure" functions as a qualifier expressing a lack of complete certainty or confidence. It's used to indicate that doubt exists in certain situations, as confirmed by Ludwig AI. It modifies a statement, suggesting a degree of uncertainty or tentativeness.
Frequent in
News & Media
54%
Science
30%
Formal & Business
8%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "not always sure" is a versatile phrase used to express a lack of complete certainty or confidence. According to Ludwig AI, the phrase is grammatically correct and common in written English. It is frequently used in news and media, as well as scientific contexts, with a neutral register that suits both formal and informal communication. When using this phrase, consider providing context to clarify the source and degree of your uncertainty. Alternatives such as "not entirely certain" or "somewhat unsure" can offer nuanced variations in meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
not entirely certain
Replaces "always" with "entirely", emphasizing a complete lack of certainty.
somewhat unsure
Uses "somewhat" to indicate a moderate degree of uncertainty.
not completely convinced
Focuses on a lack of full conviction rather than absolute certainty.
a bit doubtful
Employs "doubtful" to convey uncertainty or skepticism.
having some doubts
Indicates the presence of some level of uncertainty.
not fully persuaded
Implies that one has not been entirely won over or convinced.
uncertain to some extent
Uses "to some extent" to express partial uncertainty.
questioning something
Replaces "sure" by "questioning", suggesting a lack of certainty.
not quite clear
Shifts the focus to clarity rather than certainty but still conveys a lack of assurance.
hesitant about something
Expresses reluctance or uncertainty through hesitation.
FAQs
How can I use "not always sure" in a sentence?
The phrase "not always sure" is used to express uncertainty or a lack of complete confidence about something. For example, you could say, "I am "not always sure" of the best way to handle this problem."
What are some alternatives to "not always sure"?
Alternatives include "not entirely certain", "somewhat unsure", or "not completely convinced", depending on the specific nuance you want to convey.
Is it better to say "not always sure" or "unsure"?
"Unsure" is a more direct and concise way to express doubt. However, "not always sure" can be useful when you want to emphasize that your uncertainty is not constant. For example, "I'm generally confident, but I'm "not always sure" in these circumstances."
What's the difference between "not always sure" and "never sure"?
"Not always sure" indicates that there are times when you are sure, while "never sure" implies a complete and constant lack of certainty. The choice depends on whether you experience occasional or perpetual doubt.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested