to annul is a form of:

Annul



noun
1.
(ច្បាប់) ទុកជាមោឃ
Example: To make void; dissolve something which once existed.
ឧទាហរណ៍៖ ធ្វើអោយទៅជាមោឃៈ ។ រំលាយចោលអ្វីមួយដែលមានពីមុន ។
verbpast tense: annulled ; past participle: annulled ; present participle: annulling ;
1.
(បច្ចេកទេស) ប្រកាសទុកជាមោឃៈ, លុបចោល
ENGLISH MEANING
verbpast tense: annulled ; past participle: annulled ; present participle: annulling ;
1.
To reduce to nothing; to obliterate.
2.
To make void or of no effect; to nullify; to abolish; to do away with; -- used appropriately of laws, decrees, edicts, decisions of courts, or other established rules, permanent usages, and the like, which are made void by component authority.