¹blunt

dull, blunt, obtuse mean not sharp, keen, or acute. dull suggests a lack or loss of keenness, zest, or pungency <a dull pain> <a dull mind>. blunt suggests an inherent lack of sharpness or quickness of feeling or perception <a person of blunt sensibility>. obtuse implies such bluntness as makes one insensitive in perception or imagination <too obtuse to take the hint>.

bluff, blunt, brusque, curt, crusty, gruff mean abrupt and unceremonious in speech and manner. bluff connotes good-natured outspokenness and unconventionality <a bluff manner>. blunt suggests directness of expression in disregard of others' feelings <a blunt appraisal>. brusque applies to a sharpness or ungraciousness <a brusque response>. curt implies disconcerting shortness or rude conciseness <a curt command>. crusty suggests a harsh or surly manner sometimes concealing an inner kindliness <a crusty exterior>. gruff suggests a hoarse or husky speech which may imply bad temper but more often implies embarrassment or shyness <puts on a gruff pose>.