a boast is a form of:

Boast



1.
(To brag about, to glory in (something), to praise loudly and rashly oneself and one's belongings or actions) boasts (a new school) អេម, អឿ (នឹង)
Example: Nobody could stand being with Bill because he was always boasting about how great he was.
verbpast tense: boasted ; past participle: boasted ; present participle: boasting ;
1.
(INTRANSITIVE) ~ (aboutof something) (to talk with too much pride and satistaction) ការនិយាយអួតខ្លួន, ទម្លាប់នៃមនុស្សអំនួត, អភិមានៈ, សេចក្ដីឡឺតឬក្រអឺតក្រអោង, He likes to boast អួត, boast of (his strength) អួតអំពី
ENGLISH MEANING
noun
1.
Act of boasting; vaunting or bragging.
2.
The cause of boasting; occasion of pride or exultation, -- sometimes of laudable pride or exultation.
verbpast tense: boasted ; past participle: boasted ; present participle: boasting ;
1.
(INTRANSITIVE) To vaunt one's self; to brag; to say or tell things which are intended to give others a high opinion of one's self or of things belonging to one's self; as, to boast of one's exploits courage, descent, wealth.
2.
(INTRANSITIVE) To speak in exulting language of another; to glory; to exult.
3.
(TRANSITIVE) To display in ostentatious language; to speak of with pride, vanity, or exultation, with a view to self-commendation; to extol.
4.
(TRANSITIVE) To display vaingloriously.
5.
(TRANSITIVE) To possess or have; as, to boast a name.
6.
(TRANSITIVE) To dress, as a stone, with a broad chisel.
7.
(TRANSITIVE) To shape roughly as a preparation for the finer work to follow; to cut to the general form required.
1.
brag, crow, flaunt, glory, vaunt
1.
apologize, deprecate, humble, minimize