(⌐■-■). (⌐■-■). (⌐■-■). (⌐■-■)

across
1 fresh
3 final
6 honest
9 glad
11 pleased
14 single
16 general
17 main
down
1 flat
2 smooth
4 real
5 natural
7 sharp
9 grateful
10 plain
11 private
12 special
15 shiny