1. Without fault or error
   "faultless logic"
   - immaculate, impeccable

See also: faultlessly, perfect

• biodefence
• biodefense
• biodegradable
• biodegradable pollution
• biodegradation
• biodegrade
• biodiesel
• biodiversity
• biodynamics
• bioelectric
• bioelectricity
• bioengineer
• bioengineering
• bioethics
• biofeedback
• bioflavinoid
• bioflavonoid
• biofuel
• biogas
• biogenesis
• biogenetic
• biogenic
• biogenous
• biogeny
• biogeographic