good-naturedly direct, blunt, or frank; heartily outspoken

a big, bluff, generous man.

presenting a bold and nearly perpendicular front, as a coastline

a bluff, precipitous headland.

Nautical . (of the bow of a vessel) having a full, blunt form.

a cliff, headland, or hill with a broad, steep face.

North Dakota, Wisconsin, and the Canadian Prairie Provinces . a clump or grove of trees on a prairie or other generally treeless area.

verb

come clean , reveal , tell truth

adjective

barefaced , bearish , blunt , blustering , breviloquent , brief , brusque , candid , crusty , curt , direct , downright , forthright , frank , gruff , hearty , honest , laconic , no-nonsense , open , outspoken , plain-spoken , rough , rude , short , short-spoken , sincere , snippety , snippy , straightforward , tactless , tart , terse , unceremonious

noun

bluster , braggadocio , bragging , bravado , deception , delusion , facade , fake , false colors , false front , feint , fraud , front , humbug * , jiving , lie , pretense , pretext , ruse , sham , show , snow * , stall , subterfuge , trick , bank , cliff , crag , escarpment , headland , hill , mountain , peak , promontory , ridge , rock

verb

affect , beguile , betray , bunco , con , counterfeit , defraud , delude , double-cross , fake * , fake out , feign , fool , humbug * , illude , jive * , juggle , lie , mislead , pretend , psych out , put on * , sham * , shuck * , simulate , snow * , take in * , trick , cozen , dupe , hoodwink , humbug , take in , (colloq.) frighten , abrupt , assume , bamboozle , bank , blunt , boast , brag , burly , candid , cliff , crusty , curt , deceive , deter , facade , fraud , front , gruff , hill , hoax , impolite , intimidate , outspoken , rude , sham