Mid-14th c. Middle English braggen (“to make a loud noise; to speak boastfully”) of unknown origin. Possibly related to the early-14th c. Middle English adjective brag (“prideful, spirited”), probably from Celtic; or Old Norse bragr (“best, foremost; poetry”); or through Old English from Old Norse braka (“to creak”).
- Rhymes: -æɡ
- To boast; to talk with excessive pride about what one has, can do, or has done.
- to brag of one's exploits, courage, or money
- Conceit, more rich in matter than in words, / Brags of his substance, not of ornament.
Derived terms 
brag (plural brags)
- ^ “brag” in Douglas Harper, Online Etymology Dictionary (2001).
- ^ “wile” in Douglas Harper, Online Etymology Dictionary (2001).;
- ^ brag in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
From Old Norse brak.
brag n (singular definite braget, plural indefinite brag)
Related terms 
- brage verb
- imperative of brage