Wiktionary
lemminglike
a. Resembling a lemming or some aspect of one, especially a propensity to follow blindly after a leader.
Usage examples of "lemminglike".
The stampede had triggered something deeper than hunger, a psychological lemminglike drive that brought them straining at the net to the exclusion of all else, even the hunger pains that must be lacing them even as they rushed.
I will never cease to be amazed at the lemminglike nature of human beings and our unquestioning obedience to authority.
In this manner the first colony was organized, instead of the prior lemminglike exoduses to relieve the situation.