Answer: flatly

AnswerCrossword Clue
FLATLY

Categorically

FLATLY

In a monotonous way

FLATLY

In a firm and unequivocal manner

FLATLY
Without hesitation
FLATLY
In no uncertain terms
FLATLYDownrightly.
FLATLYCompletely
FLATLYUnmistakably
FLATLYWithout qualification
FLATLYPoint-blank
FLATLYWay to refuse
FLATLYOne way to deny something
FLATLYUnequivocally
FLATLYHow some things are denied