Synonyms for “intimacy”

noun

1. =  familiarity, closeness, understanding, confidence, confidentiality, fraternization • a means of achieving intimacy with another person
   opposites: distance, separation, detachment, alienation, coldness, remoteness, estrangement, aloofness
2. =  sexual intercourse, sex (informal), lovemaking, the other (informal), congress, fucking (taboo & slang), screwing (taboo & slang), shagging (British, taboo & slang), sexual relations, sexual act, nookie (slang), copulation, coitus, carnal knowledge, intimate relations, rumpy-pumpy (slang), legover (slang), coition, poontang (taboo & slang), rumpo (slang) • The truth was he did not feel like intimacy with any woman.