Strong’s Hebrew
H5494 — cuwr
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
סוּר
cuwr — pronounced soor
probably passive participle of 5493; turned off, i.e. deteriorated:--degenerate. see H05493
1 occurrence in the KJV.
Jeremiah 2:21
Yet I had planted thee a noble vine, wholly a right seed: how then art thou turned into the degenerate plant of a strange vine unto me?