D defs.my
Entry 2 senses Webster, 1913

Flatly

· Flat·ly · IPA /ˈflætli/
01 adv. In a flat manner; evenly; horizontally; without spirit; dully; frigidly.
  1. 1.
    In a flat manner; evenly; horizontally; without spirit; dully; frigidly.
    “He that does the works of religion slowly, flatly, and without appetite.” Jer. Taylor.
  2. 2.
    peremptorily; positively; plainly; forthrightly.