1. In a petulant manner
   - testily, petulantly, pettishly, waspishly, crabbily 
2. In an irritable manner
   "she had become irritably exact"

See also: irritable

• facies
• facile
• facilitate
• facilitation
• facilitative
• facilitator
• facilitatory
• facility
• facing
• facing pages
• facsimile
• facsimile machine
• fact
• fact mood
• fact of life
• fact-finding
• facticity
• faction
• factional
• factionalism
• factious
• factiously
• factitious
• factitive
• factoid