The phrase "a definite sign" is correct and usable in written English.
It can be used when indicating something that clearly indicates or confirms a particular situation or outcome.
Example: "The sudden drop in temperature is a definite sign that winter is approaching."
Alternatives: "a clear indication" or "a certain signal".
MIKE HALE: A definite sign of the "ModFam" strength.
Its principal effect was political: a definite sign of America's commitment to the defense of Western Europe, and to maintaining an American presence there.
"I take solace in my tubs of geraniums which flourish on total neglect – a definite sign of the spirit at work".
Cone wound up facing 20 batters and he went to a 2-0 cornt or a 3-1 connt on eight of them, a definite sign of a pitcher creating his own trouble.
Indeed, déjà vu is accepted as a definite sign of epileptic activity originating in the temporal lobe of the brain and may occur as part of the seizure activity or frequently between convulsions.
And in a definite sign that normalcy is struggling to break out, United Airlines customers have been growing increasingly worried about the possibility of disruptions from a threatened strike by the airline's mechanics.
If you are 100% certain that the egg is a quitter (the appearance of a blood ring is a very definite sign) then you should discard the egg immediately to prevent it from turning bad and exploding inside the incubator.
Recently, using the fixed point theorem, Zhang et al. [8] obtained the existence of a positive solution of (1.1), where they required that the function a is of definite sign.
"However, there is no definite sign of a relapse into a double dip but a suggestion of continuing slow recovery with low growth.
Nevertheless, putting a new CFO (who came from a public company) is one definite sign of how the company intends to scale in its next phase.
Nevertheless, putting a new CFO (who came from a public company) is one definite sign of how the company intends to scale in its next phase.
