Platelet adhesiveness is a medical term used to describe the tendency of platelets to stick together and form blood clots. This condition can be a cause of concern, as it increases the risk of heart attack and stroke. There are many synonyms for the term 'platelet adhesiveness.' One such synonym is 'platelet aggregation,' as the formation of clumps or aggregates often characterizes this condition. 'Platelet stickiness,' 'platelet hyperactivity,' and 'increased platelet activity' are also phrases that refer to this medical condition. Another synonym is 'thrombophilia.' Regardless of the term used, it is important to seek medical attention if you experience symptoms of platelet adhesiveness.