1. (of hatchlings) covered with down and having eyes open; capable of leaving the nest within a few days

Antonym: altricial

Encyclopedia: Precocial

• infantryman
• infarct
• infarction
• infatuate
• infatuated
• infatuation
• infeasibility
• infeasible
• infect
• infected
• infection
• infectious
• infectious agent
• infectious disease
• infectious hepatitis
• infectious mononucleosis
• infectious polyneuritis
• infectiously
• infectiousness
• infective
• infective agent
• infecund
• infelicitous
• infelicitously
• infelicity