noun
top condition; peak condition; best shape
Borrowed from English; used in sports, business, and daily life to describe being in the best possible state.
選手はみんなトップコンディションで試合に臨んだ。
All the players faced the match in top condition.
大事なプレゼンの前は、トップコンディションを保つように
Before an important presentation, I try to stay in top condition.