adjective /ˌənkənˈven(t)SH(ə)nəl/ : very different from the things that are used or accepted by most people : not traditional or usual : not conventional ex. Growing up on a boat instead of in a standard house is an unconventional lifestyle. mine: She has a really unconventional way of being whimsical by adopting an iguana as a pet. correctness: 4/5 naturalness: 3/5 intensity: 6/10 formality: 3.5/5 nuance: 4.5/5 precision: 4.5/5 synonyms scale different > unusual > atypical > unconvetional > radical > extreme