1)Minimalism – a style that emphasize simplicity

 Japan is known for Minimalism.

 2)Aficionado – a person who like particular sport or activity

 She is aficionado in arts. 

 3)Condescending – treat you are more intelligent or important

 A condescending smile.

 4)Paragon – a perfect person or ideal example of good thing

 A paragon of virtue.

 5)Knick–knack – small decorative objects in home

 The shop sell souvenirs and knick–knacks.

 6)conundrum – a difficult problem or question

 I finally get solution to that conundrum.

 7)ennui – a feeling of dissatisfaction arise from lack of occupation or excitement

 he succumbed to ennui and despair.