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Definition of boastful
boastful
/ˈboʊst.fəl/
boast · ful
Adverb:boastfully
boastful Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Top 10k
Syllables
2
boastful Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Showing excessive pride and self-satisfaction in one's achievements, possessions, or abilities.
Example
"His boastful remarks about his exam scores annoyed the rest of the study group."
Synonyms
View all synonyms for boastful Antonyms
View all antonyms for boastful• Rhymes for boastful
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Word Origin & Etymology
Formed in Middle English from the noun 'boast' (meaning 'arrogance' or 'vain speech', likely of Anglo-Norman origin) combined with the Old English adjectival suffix '-ful'.
Cite this Entry
Wordmom. (2026). Definition of Boastful. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/boastful