This is the 7621st most frequent Turkish word.
herhalde
"Herhalde" means "probably" or "presumably" in English.
The word 'herhalde' is used here to express a probability or assumption made by the speaker regarding not going out due to bad weather.
Herhalde bugün dışarı çıkmayacağım çünkü hava çok kötü.
I probably won't go out today because the weather is very bad.
Here, 'herhalde' implies the speaker's conjecture about the listener's lack of noticing the other person.
Herhalde onu görmedin yoksa selam verirdin.
You probably didn't see him, otherwise you would have greeted him.
In this sentence, 'herhalde' shows the speaker's inference about the motive behind the person's action of running fast.