certain
/ˈsɝ.tən/ particle C2- Having been determined but not specified. · Certain people are good at running.
From the library
“I know nothing for certain; only I have seen things which induce me to believe, as I told you, that the future captain will find some annoyance in the vicinity of the Vieilles Infirmeries.”
And so, it is quite certain he is coming?”
A CERTAIN HOUSE was overrun with Mice.
“Oh, to be sure!” responded Danglars, who had now approached the group, “nothing more than a mistake, I feel quite certain.”
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