Answer: dour

AnswerCrossword Clue
DOURStern
DOURNot upbeat
DOURGRUMPY
DOURHardly upbeat
DOURGrim
DOURSullen; unsmiling
DOURStern and gloomy
DOURStern, to Scotty
DOURUnsmiling
DOURFar from perky
DOURGloomy, Scottish style.
DOURSullen in aspect.
DOURStern: Scot.
DOURSadfaced.
DOURSour-visaged.
DOURForbidding.
DOURUnbending as some Scotsmen.
DOURThe look of gloomy ones.
DOURPessimistic
doursullen; gloomy
doursullen (showing brooding ill humour)
DOURStern-looking
DOURVisibly forbidding
DOURHardly cheery
DOURLike Eeyore
DOURIncessantly gloomy
DOURRelentlessly gloomy
DOURGloomy.
DOURNot exactly chipper
DOURHaving a cheerless aspect
DOURStubbornly unyielding
DOURLike Henry Kissinger's demeanor
DOUROn the gloomy side
DOURForbidding, as an expression
DOURHarsh
DOURNo fun to be around
DOURIll-humored
DOURDispirited
DOURVisibly unhappy
DOURMorose