s (satellite adjective) 1) having keenness and forcefulness and penetration in thought, expression, or intellect    ["searching insights"]    ["trenchant criticism"]
 
s (satellite adjective) 2) characterized by or full of force and vigor    ["a hard-hitting expose"]    ["a trenchant argument"]
 
s (satellite adjective) 3) clearly or sharply defined to the mind    ["clear-cut evidence of tampering"]    ["Claudius was the first to invade Britain with distinct...intentions of conquest"]    ["trenchant distinctions between right and wrong"]