informal Synonyms

casual unofficial colloquial everyday spontaneous slangy familiar folksy friendly relaxed nonformal vernacular natural intimate loose easygoing unpretentious conversational unceremonious chatty cozy laid-back tweedy after-school unconventional untraditional populist nontraditional unaffixed at first glance unliterary white tie meatpacking free-and-easy nonliterary juvenile delinquent unstructured semiformal extracurricular unauthorized unorganised down-to-earth unfussy Unixish unostentatious unposed unrhetorical unrigorous unselfconscious unstilted