unchanged adj.
VERBS appear, be, look | remain, stay | leave sth
ADV. completely, quite, totally | almost, practically, virtually | largely, substantially | basically, essentially, fundamentally The school appeared essentially unchanged since my day. | relatively
PREP. by She was the only one of us unchanged by events.
You can also check other dicts: unchanged (English, 中文解释 ), wordnet sense, Collins Definition