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

See also: insidious

• stop
• stop bath
• heptadecanoic acid
• heptagon
• heptagonal
• heptameter
• heptane
• heptarchy
• heptastich
• heptathlete
• heptathlon
• Hepworth
• her
• her indoors
• Hera
• Heracles
• Heracleum
• Heracleum sphondylium
• Heraclitus
• Herakles
• herald
• heralded
• heraldic
• heraldic bearing
• heraldically