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
A synonym for confidant is "trusted friend" or "close companion."
"Disaster" is probably the closest synonym, but "distress" rather close.
Beside, near, close (to), in close proximity, about, encompassing, encircling, surrounding
compact, packed, close, compressed
A close synonym is:deformed