1. Not liable to error
   "an unerring marksman"
   - inerrable, inerrant

See also: infallible, unerringly

• Hyperion
• hyperkalemia
• hyperkeratosis
• hyperkeratotic
• hyperkinesis
• hyperkinetic
• hyperkinetic syndrome
• hyperlink
• hyperlipaemia
• hyperlipemia
• hyperlipidaemia
• hyperlipidemia
• hyperlipoidaemia
• hyperlipoidemia
• hyperlipoproteinemia
• hypermarket
• Hypermastigina
• hypermastigote
• hypermedia
• hypermedia system
• hypermenorrhea
• hypermenorrhoea
• hypermetropia
• hypermetropic
• hypermetropy