The crossword solutions for the term 'I've seen __!' are 'ENOUGH' (6 letters) and 'WORSE' (5 letters). The phrase 'I've seen __!' is often used to express surprise or disbelief at something that has been seen or experienced. It can be used in a variety of contexts, from expressing shock at a particularly impressive feat to expressing dismay at a particularly unfortunate event. The two words 'ENOUGH' and 'WORSE' can be used to fill in the blank in this phrase to emphasize the speaker's reaction.