1. most vigorous, energetic, or robust in health and strength
Usage: superlative form of lusty
2. most enthusiastic or spirited
Usage: superlative form of lusty

Examples

• The lustiest cheers came from the home team’s fans.
• He gave his lustiest performance in years during the concert.
• The lustiest plants in the garden were those that received the most sunlight.
• She sang with her lustiest voice to reach the back of the auditorium.
• The lustiest members of the hiking group led the way up the mountain.
• His lustiest laughter filled the entire room.