unchanged
adj. B2 Upper Intermediate US //ənˈtʃeɪndʒd// UK //ʌntʃˈeɪndʒd// un·changed
adj. staying exactly the same as before. You use this when something has not been modified or affected by time or events.
adj. remaining in the same state or condition; not altered or modified. Often follows a linking verb or sits after the noun it modifies in specific reporting contexts.
The old house remains unchanged after fifty years.
Despite the recent change in management, the daily office routine remains largely unchanged for most employees.
The landscape has remained remarkably unchanged since the eighteenth century, preserved by strict local conservation laws that prevent any modern industrial development in the valley.
From un- + changed.
Usage
Often used as a predicative adjective following verbs like 'remain', 'stay', or 'be'.