13-Letter Words Starting: FU

• in essence; at bottom or by one's (or its) very nature

• capable of serving a purpose well

• a psychology based on the assumption that all mental process are useful to an organism in adapting to the environment

• any doctrine that stresses utility or purpose

• a disposition to be sly and stealthy and to do things surreptitiously

• the quality of being capable of exchange or interchange

• a worker who holds or is invested with an office

• excessive but superficial compliments given with affected charm

• smug self-serving earnestness

• an adherent of functionalism