Definitions

1. adjective

situated or located at the southernmost part of a region or area

“The southmost tip of the peninsula is known for its stunning beaches.”

2. adverb

in a southern direction, especially the most southerly direction

“They traveled southmost to visit their relatives in the southern part of the country.”

3. noun

the southernmost part of a region or area

“The southmost point of the continent marks an important geographical landmark.”