a circle is a form of:

Obstinacy



noun
1.
(Stubbornness; determination not to yield) ភាពរឹងត្អឹង, ខ្ជាប់ខ្ជួន, មានៈ, ការស៊ូ, ភាពឋិតនៅយូរ, ចេស, ភាពរឹងរូស
Example: . Mules show great obstinacy and refuse to move even when forcibly urged.
2.
(បច្ចេកទេស) ភាពចចេស
ENGLISH MEANING
noun
1.
A fixedness in will, opinion, or resolution that can not be shaken at all, or only with great difficulty; firm and usually unreasonable adherence to an opinion, purpose, or system; unyielding disposition; stubborness; pertinacity; persistency; contumacy.
2.
The quality or state of being difficult to remedy, relieve, or subdue; as, the obstinacy of a disease or evil.