not used to
- unfamiliarNot previously known
- unaccustomedNot yet familiar with
- strangeUnusual or unfamiliar
- foreignFrom another nation
- newRecently created or begun
awkward · adjustment · learning · adapting · uncomfortable · inexperienced · novice · beginner · alien · jarring · disorienting · culture shock · homesick · out of place · fish out of water · steep curve · rusty · unpracticed