(informal) but of course! that's obvious, I can see that now! how did I not get that before?

discretion is the better part of valour, diffidence is the right eye of prudence, better safe than sorry

(botany) Alternative spelling of surette (“patience dock”)

(law) non-parole period, minimum time served (period during which a prisoner cannot be paroled)

from good hands, from a reliable source

surely, certainly / probably

safety / security

feminine singular of sûr

masculine plural of sûr

feminine plural of sûr