1. Mentally or physically infirm with age
   - doddering, doddery, gaga

See also: old, senility

Encyclopedia: Senile

• Arabic numeral
• arabica
• Arabidopsis
• Arabidopsis lyrata
• Arabidopsis thaliana
• arability
• arabinose
• Arabis
• Arabis Canadensis
• Arabis glabra
• Arabis turrita
• Arabist
• arable
• Araceae
• araceous
• Arachis
• Arachis hypogaea
• arachnid
• Arachnida
• arachnidian
• arachniography
• arachnoid
• arachnoid membrane
• arachnology
• arachnophobia