prohibitive

Refers to a cost that is so high it prevents an action or purchase.

Refers to a price that is so high it prevents an action or purchase.

断然の本命

In sports or competitions, a competitor who is so strongly expected to win that betting on them offers very low returns.

スポーツや競争において、勝利が確実視されすぎて、賭けてもリターンが非常に低い競技者。