noun which may take the genitive case particle 'no', na-adjective, noun
super happy; wonderful; awesome
Slang expression derived from 最高, replacing 高 with 幸 to stress extreme happiness. Used in casual, often youthful contexts.
See also: 最高
今日は友達と遊べて最幸だ！
Today is the best because I got to hang out with my friends!
このケーキ、最幸においしい。
This cake is super delicious.