Luck out and Unlooked-for

Luck out verb - Succeed by luck.

Unlooked-for and luck out are semantically related. In some cases you can use "Unlooked-for" instead an adjective "Luck out".

Unlooked-for adjective - Not expected.

Luck out and unlooked-for are semantically related. Sometimes you can use "Luck out" instead an adjective phrase "Unlooked-for".