strictly · adverb /ˈstrɪkt.li/
strictly
B2 exactly or correctly
Dictionary examples:
That's not strictly true.
Strictly speaking, we're not allowed to give you any advice.
Learner example:
Strictly speaking, we don't think about the future when the subject is nature because we think that it's eternal. (First Certificate in English; B2; Portuguese)
strictly forbidden/prohibited
B2 used to emphasize that something is not allowed
Dictionary example:
The use of cameras is strictly forbidden.
Learner example:
Eric was going to [have] serious problems, because smoking was strictly forbidden in this school. (First Certificate in English; B2; Dutch)