* Simple: The restaurant had an unfamiliar menu, so I ordered something safe.
* Descriptive: The city's skyline was a vast, unfamiliar landscape of glass and steel.
* Figurative: The silence was unfamiliar and unsettling, making her feel as if she were in a different world.
* With a negative connotation: He felt a sense of unfamiliarity with his own home after being away for so long.
* With a positive connotation: She embraced the unfamiliar challenge of learning a new language.