out of step adv. or 
adj. phr. 1. Not in step; not matching strides or keeping pace with another or others. 
 George always marches out of step with the music. 2.
 George always marches out of step with the music. 2. Out of harmony; not keeping up. 
■  Often followed by "with". 
 Just because you don't smoke, it doesn't mean you are out of step with other boys and girls your age. Antonym:
 Just because you don't smoke, it doesn't mean you are out of step with other boys and girls your age. Antonym: IN STEP. 
 [TahlilGaran] English Idioms Dictionary ▲