Synonyms for intimate

adjective

• having or fostering a warm or friendly and informal atmosphere
• having mutual interests or affections; of established friendship
• concerning things deeply private and personal
• involved in a sexual relationship
• thoroughly acquainted through study or experience
• innermost or essential
• marked by close acquaintance, association, or familiarity
• used euphemistically to refer to the genitals

verb

• imply as a possibility
• give to understand

noun

• someone to whom private matters are confided