What does Venus opposite Mars mean in synastry?
Venus opposite Mars in synastry means one person’s natal Venus sits roughly 180 degrees from the other person’s natal Mars. Astrologers often read Venus as a symbol of affection, pleasure and preferences, and Mars as a symbol of initiative, assertion and desire. An opposition can represent contrasting styles that ask for conscious negotiation.
The contact may give you language for attraction or friction, but it cannot prove that two people are attracted to each other, sexually compatible or meant to stay together. It is one feature of two complete charts. A respectful relationship depends on consent, reliability and communication; an exciting chart description does not supply those qualities.