What is the meaning of incompatible?

adjective

• Not compatible.
  • usage: "incompatible personalities"; "incompatible colors"
• Used especially of drugs or muscles that counteract or neutralize each other's effect.
  • synonyms: antagonistic
• Not suitable to your tastes or needs.
  • usage: "the uncongenial roommates were always fighting"; "the task was uncongenial to one sensitive to rebuffs"
  • synonyms: uncongenial
• Incapable of being used with or connected to other devices or components without modification.
• Of words so related that one contrasts with the other.
  • usage: "`rich' and `hard-up' are contrastive terms"
  • synonyms: contrastive
• Not easy to combine harmoniously.
  • synonyms: ill-sorted, mismated, unsuited
• Not compatible with other facts.
  • synonyms: discrepant
• Not in keeping with what is correct or proper.
  • usage: "completely inappropriate behavior"
  • synonyms: inappropriate, out or keeping, unfitting
• Used especially of solids or solutions; incapable of blending into a stable homogeneous mixture. .