Definition from Wiktionary, the free dictionary
- (nonstandard) superlative form of : most lost
1906 September, The Sunday School Journal and Bible Student's Magazine, volume 38, number 9, page 675:
- The strongest sheep can be the "lostest" because of its power to go farthest into the wilderness.
1920, William Thomas Tardy, The man and the message, Mrs. W.T. Tardy, page 100:
- No man can safely be left alone, and the lostest man in all creation is he who says "No one cares for my soul."
- And when you add to that the peculiar weather patterns, the temporal shifts, and mermaids who had a tendency to chew up any cables strung underwater, the result was the lostest of lost causes.