ˈwhat-if BrE AmE noun [countable usually plural] informal
something that could happen in the future or could have happened in the past:
If I thought about all of the what-ifs in my life, I would go crazy.
ˈwhat-if BrE AmE noun [countable usually plural] informal
something that could happen in the future or could have happened in the past:
If I thought about all of the what-ifs in my life, I would go crazy.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012