n.
Pronunciation: ' sau ̇ th
Function: adverb
Etymology: Middle English, from Old English s ū th; akin to Old High German sund- south and probably to Old English sunne sun
Date: before 12th century
1 : to, toward, or in the south <a house facing south >
2 : into a state of decline or ruin <causes the sluggish economy to go south ― G. F. Will>