noun sure sign - a clear indication or evidence of something
Persistent sadness can be a sure sign of depression.
A sure sign of a fever is a body temperature above 100.4 degrees Fahrenheit.
Dark clouds gathering are a sure sign of an impending storm.
In astrology, a sure sign of a Taurus is their practicality and love for luxury.
A sure sign of foul play was the broken window and missing valuables.
In the context of a writer, 'sure sign' may be used to indicate a clear indication or undeniable evidence of something in a piece of writing.
A psychologist may use 'sure sign' to refer to a definitive indicator or symptom of a particular mental health condition or psychological issue.
For a detective, 'sure sign' could be used to describe a piece of evidence that strongly suggests a certain conclusion or points towards a specific suspect.
In the medical field, a doctor might use 'sure sign' to denote a symptom or physical manifestation that is characteristic of a particular disease or condition.