bōonseidesu
1. Soundproofing performance.; Sound insulation.
Noun
#359063
1. Soundproofing performance.; Sound insulation.
1. mental; spiritual
1. junior high school student; middle school pupil
1. slow
2. late
3. too late
1. classmate
1. detailed; full
2. knowing very well; knowledgeable (about)
1. necessity
1. (degree of) risk; riskiness
1. at the most; at best
2. to the utmost; as much as possible