1. most full of steam or water vapor
Usage: superlative form of steamy
2. most hot and humid
Usage: superlative form of steamy
3. most passionate or intense
Usage: informal; superlative form of steamy

Examples

• The bathroom was the steamiest room in the house after everyone showered.
• August was the steamiest month of the summer.
• The jungle’s steamiest areas were nearly unbearable.
• The greenhouse became steamiest during the afternoon hours.
• That was the steamiest romance novel she had ever read.
• The steamiest part of the tropical climate made hiking difficult.