This is the 8963rd most frequent Swedish word.
djupa
"Djupa" means "deep" in English.
Here, 'djupa' is a plural adjective modifying 'havet' (the sea), indicating its depth.
Havet runt den lilla ön var väldigt klart och djupa.
The sea around the small island was very clear and deep.
In this sentence, 'djupa' is used as an adjective describing 'känslor' (feelings), indicating the intensity of sentiment.
Han hade djupa känslor för sin vän.
He had deep feelings for his friend.
'Djupa' serves as an adjective describing 'pölar' (puddles), emphasizing their size.