a sinking feeling

(informal)

a feeling that something bad is going to happen I had that sinking feeling you get going into an exam you haven't studied for.

Name	Pronounced	Usage
Hyatt	['haiət]
Wynfor	-	Welsh
Seo-Yeon	su-yun	Korean
&Aelig;&Eth;Elfri&Eth;	-	Anglo-Saxon
Nicolaos	-	Greek
Colin (1)	KAHL-in (Scottish, Irish, English), KOL-in (English)	Scottish, Irish, English