DONEGAL went down by seven points in the Division 3A clash at Clones as Monaghan won by 1-18 to 1-11.
Michael McHugh claimed eight points for the hosts, with Sean Leonard (1-2) netting their goal.
Monaghan led by 1-11 to 1-3 at the interval, with Lee Henderson netting the visitors’ goal.
Not much separated the sides in the closing 35 minutes, with McHugh keeping the hosts ticking over.
Niall Campbell, with seven points (six frees), was Donegal’s top scorer.