Close is a word of several meanings and each meaning has lots of synonyms, i.e., words of like meaning. And yes, close is also a synonym for each of its similar words.
A group of synonyms can be compared to a team. Just as each person on a team can claim all the others on the team as mates, so each word in a synonymous group can claim all the others in the group as synonyms.
The word close is a synonym for all these words and more, according to context: adjacent, near, next to, next door, abutting, adjoining, alongside, beside, bordering, contiguous, neighboring, touching
And all those words are synonyms for close, too.
A close (but not perfect) synonym would be companion, or guardian.
close, terminate, climax, conclude
Synonyms for close (adjective):AboutAdjacentAdjoiningAlmostAlongsideApproximateAttachedBesideCeaseClinchCompletionConcludeConclusionConfidentialConfirmCulminationDearDenouncementDevotedEndFamiliarFinaleFinishInseperableIntimateLovingNearbyNearlyNearNeighboringNighProximateResemblingSimilarTerminateSynonyms for close (verb):BlockBoltFastenLockObstructSecureShutSealSet the seal onSew up
Synonyms for close (adjective):AboutAdjacentAdjoiningAlmostAlongsideApproximateAttachedBesideCeaseClinchCompletionConcludeConclusionConfidentialConfirmCulminationDearDenouncementDevotedEndFamiliarFinaleFinishInseperableIntimateLovingNearbyNearlyNearNeighboringNighProximateResemblingSimilarTerminateSynonyms for close (verb):BlockBoltFastenLockObstructSecureShutSealSet the seal onSew up
clothes, close
Near.
Near.
A close (but not perfect) synonym would be companion, or guardian.
It is pretty much an exact synonym, yes.
A synonym of introduce is acquaint. An antonym of introduce is close.
Close by / At hand /
Close Together
close friend, familiar, intimate, crony, alter ego, bosom friend
"Disaster" is probably the closest synonym, but "distress" rather close.
close, terminate, climax, conclude
compact, packed, close, compressed
A close synonym is:deformed