Misstep /misˈstep/ noun 

Definition: Misstep can be defined as being clumsy or making a step based on bad judgment. It can also be described as making a mistake or blunder.

Etymology: The word misstep is derived from a combination of two words. The first is a prefix connected to German Origin, which can be joined with verbs and nouns. The word ‘mis’ adds a negative element to a word and can be described as ‘bad or wrong. 

The second element of the word is ‘step,’ which is a verb. It was derived from the Old English ‘steppan’, which means to take a step or move forward. The two words used together would result in the word indicating a mistake or mishap.

In a Sentence

The work should be completed with the utmost precision and accuracy since even the smallest misstep can result in a breakdown of the entire process.

Her misstep turned out to be detrimental to her mental health.

One misstep does not mean that you should give up on your direction in life.

Synonyms 

 Misapprehension, Slip Up, Miscalculation 

Antonyms 

Accuracy, Achievement, Successful