Wiktionary
cockroachlike
a. Resembling or characteristic of a cockroach.
Usage examples of "cockroachlike".
The cockroachlike Khieevi approached the cabin, cautiously at first, then more openly as no one fired on them.
This world abounded in insects, from tiny gnatlike fliers that would swarm to plague Gorath when he tried to remain motionless, to cockroachlike creatures that were as long as his forearm.