1. not adjusted or adapted to a new climate, environment, or situation

Examples

• The tourists were unacclimated to the high altitude and felt dizzy.
• New employees often feel unacclimated to the company culture at first.
• The tropical plants remained unacclimated to the cold weather.
• She was still unacclimated to living in a big city after growing up in a small town.
• The hikers were unacclimated to the desert heat and needed frequent water breaks.
• Many immigrants feel unacclimated to their new country’s customs initially.