unobligatory
/(ˌ)ʌnəˈblɪɡət(ə)ri/adjective
Not obligatory.
Origin
Mid 17th century; earliest use found in William Prynne (1600–1669), pamphleteer and lawyer. From un- + obligatory.
| 单词 | unobligatory |
| 释义 | unobligatory/(ˌ)ʌnəˈblɪɡət(ə)ri/adjective Not obligatory. Origin |
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