Wiktionary
roachlike
a. Resembling or characteristic of a roach (insect).
Usage examples of "roachlike".
And through the crack in the ethereal plaster rushed hundreds of thousands of hideous, bloated, roachlike insects.
Next he entered Leopold's mind, as cautiously as possible, fearing that the bloated, roachlike insects that had poured out of the walls of the conscious mind might still be running free.
The gray roachlike predators swarming it with angry, twitching antennae were the size of German Shepherds.
Of course, he would not have lasted as long as he had downlevels if he had not had a roachlike ability to sense and avoid danger.
There were also big roachlike bugs, and they could get past the funnels, but seemed more interested in searching out edible debris on the floor.