1. In a harmfully insidious manner
   "these drugs act insidiously"
   - perniciously

See also: insidious

• plodder
• plodding
• ploddingly
• ploidy
• plonk
• plonk down
• plonker
• plop
• plosion
• plosive
• plosive consonant
• plosive speech sound
• plot
• plot element
• plot line
• plot of ground
• plot of land
• Plotinus
• Plott hound
• plotted
• plotter
• plough
• plough horse
• umbel
• umbel-like