1. Not capable of being carried out or put into practice
   - impracticable, infeasible, unfeasible

See also: impossible

• Hipposideros
• Hippotragus
• Hippotragus niger
• hippy
• hipster
• hipsters
• Hipsurus
• Hipsurus caryi
• hiragana
• Hiram King Williams
• Hiram Ulysses Grant
• Hiram Williams
• hircine
• hire
• hire car
• hire out
• hire-purchase
• hired
• hired gun
• hired hand
• hired help
• hired man
• hireling
• hirer
• hiring freeze