1. (of unknown regions) not yet surveyed or investigated
   - uncharted, unmapped

See also: unknown

• long-play
• long-playing
• long-range
• long-run
• long-shanked
• long-snouted
• long-spurred
• long-spurred violet
• long-stalked
• long-staple
• long-staple cotton
• long-sufferance
• long-suffering
• long-tailed porcupine
• long-tailed weasel
• long-term
• long-term memory
• long-wearing
• long-winded
• long-windedly
• long-windedness
• long-wooled
• longan
• longanberry
• longanimity