1. To release mechanical, chemical, or nuclear energy by the sudden production of gases in a confined space: The bomb exploded.

2. To burst violently as a result of internal pressure.

3. To shatter with a loud noise: The vase exploded into tiny pieces when it hit the floor.

4. To make an emotional outburst: My neighbor exploded in rage at the trespassers.

5. To increase suddenly, sharply, and without control: The population level in this area has exploded during the past 12 years.

6. To change state or appearance suddenly: Over the weekend the trees exploded with color.

7. Sports To hit a golf ball out of a sand trap with a shot that scatters the sand.

1. To cause to release energy or burst violently and noisily: The children exploded three firecrackers.

2. To show to be false or unreliable: explode a hypothesis.

3. Sports To hit (a golf ball) out of a sand trap with an explosive shot.