obligatory   (Sound)

The obligatory has 2 Senses.

• obligatory
• 義務的
• morally or legally constraining or binding; "attendance is obligatory"; "an obligatory contribution"
• 道徳的にまたは法的に強いるまたは係わる

• obligatory
• 義務的
• required by obligation or compulsion or convention; "he made all the obligatory apologies"
• 義務、衝動、慣例によって必要とされる