overcasual

Example:The overcasual behavior in the office was contrasted by his formal attire and demeanor at important meetings.

Definition:Pertaining to ceremonies, manners, and modes of address that are prescribed as being respectful; characterized by a conventional respect for position and dignity, as in a formal introduction; correct and precise in style, diction (as in a formal speech), or dress.

Example:While I appreciated his overcasual sense of humor, I need someone to take this project seriously.

Definition:Considered or accepted as real; not imaginary, invented, or in jest; genuine; not trifling, trivial, or insignificant, especially with respect to conduct, and the like; not frivolous or playful.

Example:His overpractical attitude towards the project stood in stark contrast to the typically overcasual approaches of his colleagues.

Definition:Representing, reflecting, or containing practical reality, often in reference to an abstract concept or social ideal; serious and down to earth.