American English

Definition of profound adjective from the Oxford Advanced American Dictionary



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  1. 1very great; felt or experienced very strongly profound changes in the earth's climate My father's death had a profound effect on us all. The news came as a profound shock. The report has profound implications for schools. Her sense of disappointment was profound.
  2. 2showing great knowledge or understanding profound insights a profound book
  3. 3needing a lot of study or thought profound questions about life and death
  4. 4(medical) very serious; complete profound disability
See the Oxford Advanced Learner's Dictionary entry: profound