A boaster is someone who excessively talks about their own accomplishments or abilities. Crossword solutions for the term boaster include GASCON (6 letters), BLUSTERER (9 letters), GASBAG (6 letters), SWAGGERER (9 letters), BRAGGADOCIO (11 letters), BRAGGART (8 letters), EGOTIST (7 letters), BRAG (4 letters), Raver (5 letters), Hotdog (6 letters), Ranter (6 letters), BIGHEAD (7 letters), Blufter (7 letters), BRAGGER (7 letters), HOTSHOT (7 letters), PEACOCK (7 letters), SHOWOFF (7 letters), Vaunter (7 letters), WINDBAG (7 letters), BIGMOUTH (8 letters), Bigtimer (8 letters), BLOWHARD (8 letters), Rodomont (8 letters), Strutter (8 letters), Bigtalker (9 letters), Hotdogger (9 letters), Knowitall (9 letters), TRUMPETER (9 letters), Bullshitter (11 letters), FRANKFURTER (11 letters), Swelledhead (11 letters), GRANDSTANDER (12 letters), Swashbuckler (12 letters), EXHIBITIONIST (13 letters). These words all describe someone who talks about themselves in an overly boastful manner.