constrains is a form of:

Constrain



noun
1.
ការដាក់កម្រិតព្រំដែន, ការបញ្ជាឬត្រួតត្រាខ្លួនឯង, ការបង្ខិតបង្ខំ
verbpast tense: constrained ; past participle: constrained ; present participle: constraining ;
1.
(TRANSITIVE) (to compel, to oblige, embarrassed, repressed, unnatural) បង្ខិតបង្ខំ constrain compliance បង្ខំ, បង្គាប់, បញ្ជា, (Modesty) constrains (him) ទប់
Example: I feel constrained to write and complain in the strongest possible terms.
2.
(បច្ចេកទេស) បង្ខិតបង្ខំ, ឃុំឃាំង, ដាក់កំហិតព្រំដែន
ENGLISH MEANING
verbpast tense: constrained ; past participle: constrained ; present participle: constraining ;
1.
(TRANSITIVE) To secure by bonds; to chain; to bond or confine; to hold tightly; to constringe.
2.
(TRANSITIVE) To bring into a narrow compass; to compress.
3.
(TRANSITIVE) To hold back by force; to restrain; to repress.
4.
(TRANSITIVE) To compel; to force; to necessitate; to oblige.
5.
(TRANSITIVE) To produce in such a manner as to give an unnatural effect; as, a constrained voice.
1.
coerce, compel, confine, force, restrain
1.
To violate, to ravish