1. a long narrow crack or split in something
2. a division or disagreement between people or groups

1. to split or crack

Examples

• The earthquake created a deep fissure in the ground.
• Water seeped through the fissure in the rock wall.
• A political fissure developed within the party over the new policy.
• The intense heat caused the clay to fissure as it dried.
• Scientists studied the volcanic fissures on the mountain slope.
• The fissure between the two friends seemed impossible to repair.
• Ice began to fissure under the weight of the heavy truck.