cap·size \ˈkapˌsīz, ̷ ̷ˈ ̷ ̷\verb (-ed/-ing/-s) Etymology: origin unknown transitive verb 1.: to turn over; specifically: to cause to keel over or upset from a safe or accustomed level position to one involving danger or loss < capsize a canoe > 2.: collapse intransitive verb 1.: to turn over : become overturned : upset < the ship capsized in the storm > 2.: to fold down : collapse Synonyms:see overturn