|Origin:||profond 'deep', from Latin profundus, from fundus 'bottom'|
having a strong influence or effect
profound effect/influence/impact/consequence etc
Tolstoy's experiences of war had a profound effect on his work.
The mother's behaviour has a profound impact on the developing child.
profound changes in society
showing strong, serious feelings [= deep]:
a profound sense of guilt
showing great knowledge and understanding [= deep]:
a profound question
Jenner is a profound thinker.
deep or far below the surface of something [= deep]:
Her work touches something profound in the human psyche.
profoundly disturbing news