1. A secret Irish language in which the position of consonants are inverted

Encyclopedia: Shelta

• Ipomoea pes-caprae
• Ipomoea purpurea
• Ipomoea quamoclit
• Ipomoea tricolor
• IPR
• ipratropium bromide
• iproclozide
• ipse dixit
• ipsedixitism
• ipsilateral
• ipso facto
• Ipsus
• IPV
• IQ
• IQ test
• ir-
• ira
• Ira Gershwin
• iracund
• irade
• Irak
• Iraki
• Iran
• Iran-Iraq War
• Irani