[f. BOAST v.1 + -ING2.]
1. That boasts or brags.
1552. Huloet, Boastynge or that doth boast, gloriosus.
1602. N. Breton, Mothers Bless., xiv. A boasting tongue is like a heard-mans horne.
1769. Burke, Pres. St. Nat., Wks. II. 117. After all the boasting speeches of his faction.
† 2. Threatening. Sc. Obs.
1646. Row, Hist. Kirk (1842), 324. Whilk occasioned the King to writ doune a verie sharp and boasting letter.
1820. Scott, Abbot, Note L. Lindesay was arrived in a boasting, that is, threatening humour.