misstep
noun
°a step that is wrong.
"On a high ledge, a misstep could be fatal."
°an error or mistake.
"His comment was a misstep that could cost him."
verb
°to step badly or incorrectly.
"My dance partner misstepped and landed on my toe."
°to make an error or mistake.
"I don't want to misstep; is this the right way?"