obligatory
UK/ɒb'ligәtәri/US
IELTSTOEFLGREC1
Definitions
adj.
Required by law, rule, or custom; compulsory
强制性的，必须履行的
Root Breakdown
Root-derivedFrom oblige (ob- onto + ligāre bind) + -atory = describing what the binding duty forces. If something is obligatory, the rope leaves you no choice — it is required, not optional.
Root lig still carries 18 more wordsCommon Collocations
- 1.obligatory requirement强制性要求
- 2.obligatory attendance强制出席
- 3.legally obligatory法律强制的
Example Sentences
- 1.
Wearing a seatbelt is obligatory in most countries.
- 2.
Attendance at the safety briefing is obligatory for all staff.
- 3.
He gave the obligatory polite smile and moved on.