Easy mark and Wide-eyed

Easy mark noun - A defenseless victim.

Wide-eyed and easy mark are semantically related In some cases you can use "Wide-eyed" instead an adjective phrase "Easy mark".

Wide-eyed adjective - Lacking in worldly wisdom or informed judgment.

Easy mark and wide-eyed are semantically related in naive topic. Sometimes you can use "Easy mark" instead an adjective phrase "Wide-eyed".