conceit

noun

1. feelings of excessive pride
2. an elaborate poetic image or a far-fetched comparison of very dissimilar things
3. a witty or ingenious turn of phrase"he could always come up with some inspired off-the-wall conceit"
4. an artistic device or effect"the architect's brilliant conceit was to build the house around the tree"
5. the trait of being unduly vain and conceited; false pride