/prə'faʊnd; prə`faund/
adj
1 [usu attrib 通常作定语] (fml 文) deep, intense or far-reaching; verygreat 深的; 深切的; 深远的; 极度的; 极大的
*a profoundsigh, silence, sleep, shock 一声长叹、一片死寂、一阵酣睡、一次沉重的打击
* take a profound interest in sth 对某事物产生极大的兴趣
* profound ignorance 极度的无知
* profound changes 深刻的变化.
2 (a) [usu attrib 通常作定语] having or showing great knowledge or insight (into a subject) 知识渊博的; 见解深刻的
*a profoundawareness of the problem 对问题的深刻理解
* a profoundthinker 学识渊博的思想家
* a man of profound learning 博学的人.
(b) needing much study or thought 需要研究或思考的; 深奥的
*profound mysteries 难解之谜.

adj
[Date: 1200-1300; Language: Old French;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.
literary deep or far below the surface of something
= deep
　Her work touches something profound in the human psyche.
complete
　profound deafness
>profoundlyadv
　profoundly disturbing news