1 close, personal, warm, affectionate, loving, dear, bosom, cherished, familiar, intime:
She had a party for intimate friends.
2 secret, confidential, private, personal, privy, hidden, intime; detailed, penetrating, deep, profound, thorough, exhaustive:
In his autobiography he reveals intimate particulars of his marriage.
3 sexual; carnal:
It is well known that Millie was on intimate terms with her chauffeur.
4 cosy, informal, snug, friendly, warm, comfortable; intime, a deux, tête-à-tête, Colloq comfy:
The two of us had an intimate dinner at home last night.
5 friend, associate, comrade, crony, familiar, confidant(e), (constant) companion, Achates, alter ego, colleague, confrère, Colloq sidekick, chum, pal, Brit and Australian mate, US buddy, Slang Brit china (plate), mucker:
He and a few of his intimates like to get together now and then for a game of snooker.
hint, imply, suggest, insinuate, indicate, refer to, allude to, communicate, make known, give (someone) to understand, warn, caution, Colloq tip (off):
He intimates that my wife will be a widow if I tell the police.