frustrates is a form of:

Frustrate



verbpast tense: frustrated ; past participle: frustrated ; present participle: frustrating ;
1.
(TRANSITIVE) Frustrate his hopes ធ្វើអោយមិនបានសម្រេច, frustrate him ធ្វើអោយរសាយចិត្ដឬសន្ដាបចិត្ដ
Example: He had hoped to set a new world record but was frustrated by bad weather.
2.
(បច្ចេកទេស) រារាំង, បង្អាក់ទឹកចិត្ត
ENGLISH MEANING
adjective
1.
Vain; ineffectual; useless; unprofitable; null; voil; nugatory; of no effect.
verbpast tense: frustrated ; past participle: frustrated ; present participle: frustrating ;
1.
(TRANSITIVE) To bring to nothing; to prevent from attaining a purpose; to disappoint; to defeat; to baffle; as, to frustrate a plan, design, or attempt; to frustrate the will or purpose.
2.
(TRANSITIVE) To make null; to nullifly; to render invalid or of no effect; as, to frustrate a conveyance or deed.
1.
baffle, balk, bewilder, circumvent, confuse, defeat, disappoint, foil, hinder, mystify, nonplus, outwit, perplex prevent, thwart
1.
accomplish, fulfill, further