1. farthest from the center or middle; most distant or remote

Examples

• The outmost layer of the atmosphere is called the exosphere.
• She lived in the outmost cottage of the village.
• The outmost ring of the target is worth the fewest points.
• They explored the outmost regions of the forest.
• The outmost planets in our solar system are very cold.
• His outmost concern was the safety of his family.