LEARNit Dictionary
obligatory
adjective
/əˈblɪɡətri/
UK
/əˈblɪɡətɔːri/
US
1
that you must do because of the law, rules, etc.
اجباری, الزامی
opposite
optional
2
that you do because you always do it, or other people in the same situation always do it
اجباری, الزامی, تکلیفی
In the mid-60s he took the almost obligatory trip to India.