strictly
Strictly is an adverb used to indicate that something is done in a strict or precise manner, or to limit its scope to a narrow interpretation. It can mean “only” or “solely” (as in strictly for members), or “precisely” (as in strictly speaking).
Etymology: Strictly derives from strictus, a Latin adjective meaning “drawn tight” or “rigid.” It entered English
Usage: As a modifier, strictly can affect verbs, adjectives, or entire clauses. Common collocations include strictly
Nuance: The word carries a formal tone and a sense of exactness or exclusion. It can convey
See also: strict; strictly speaking; synonyms such as stringent, exact, and precise.