Definition of treeless in US English:

treeless

adjective

  • (of an area) having no trees.

    ‘a barren treeless landscape’
    ‘a virtually treeless island’
    • ‘There are numerous side channels and grassy, treeless islands.’
    • ‘Wide, curving beaches below the treeless headland are accessible by trail.’
    • ‘The island is very flat and virtually treeless.’
    • ‘She is talking about new houses huddled beside one another in a treeless community.’
    • ‘There is an active programme of planting trees, especially in treeless suburbs.’

Pronunciation

treeless

/ˈtrēləs//ˈtriləs/