1 dull, wearisome, dreary 18-.
2 of weather damp, dreary, bleak: Travelling folks who knew the family said she had the face of an angel, and all who saw her remarked on how she could brighten the dreichest day. la16-. etymology: Scots; Middle English dregh; corresponding to Old Norse drjúgr ‘enduring, lasting, substantial’; attested by SS, BW; sense 1 also attested by JS and SR