Deep down , big, downwards, ardent, abstruse, delphic, absorbed, bass, bold, the briny, a great distance, and a long way are synonyms for deep; shallow and insincere are antonyms of deep. On this page, you will find 150 another word for deep.
1. extending far down
2. in depth
3. intense
4. clever
5. obscure
6. rapt
7. low-pitched
8. dark
9. the sea
10. far down
She has a deep understanding.
Their conversation took a deep turn.
He gazed into deep waters.
Deep connections foster lasting relationships.