mighty nigh

mighty nigh

colloquial, old-fashioned Very close to; almost; nearly. Hey, don't feel bad that you're still single—shoot, I was mighty nigh 40 by the time I met my wife! I heard it's going to be mighty nigh 100 degrees on Saturday. She was mighty nigh frozen to death by the time we fished her out of that lake.
See also: mighty, nigh