hollow is on the Basic English 850 List.
hole - hollow - hook

Pronunciation

change

Adjective

change

Positive
hollow

Comparative
hollower

Superlative
hollowest

  1. If something has nothing inside of it, it is hollow.
    The box is hollow.
  2. If the inside of a tree or log has rotted away so the middle is empty, it is hollow.
    The rabbit ran through the hollow log.
  3. Lacking enthusiasm or cheer
    "He let out a hollow laugh"

Plain form
hollow

Third-person singular
hollows

Past tense
hollowed

Past participle
hollowed

Present participle
hollowing

  1. (transitive) If you hollow out something, you make a hole in it.