Obligatory
adjSynonymAntonymSSC PYQ × 6/əblˈɪɡətɔriː/ · अब्लिगट्री
That you must do because of the law, rules, etc.
अनिवार्य, नियम या क़ानून से ज़रूरी
A photo identity is obligatory at the centre.
Attendance is obligatory for the practical.
Daily use: Photo ID obligatory hai centre pe.
Obligatory, obligation से बना है — जो काम obligation हो, उसे करना obligatory यानी अनिवार्य है। इसका उल्टा optional — करो या न करो।
Obligatory comes from obligation: when something is an obligation, doing it becomes obligatory, that is, compulsory. Its opposite is optional — you may do it or not.
Compulsory, mandatory, requisite और imperative इसके synonym हैं; optional, voluntary और discretionary antonym।
Compulsory, mandatory, requisite and imperative are its synonyms; optional, voluntary and discretionary are its antonyms.