1. Having or displaying all the characteristics necessary for completeness
   - full-blown 
2. Denoting a firearm of relatively large calibre

1. At top speed; with full power

See also: complete

• family Iguanidae
• family Iguanodontidae
• family Indicatoridae
• family Indriidae
• family Ipidae
• family Irenidae
• family Iridaceae
• family Isoetaceae
• family Istiophoridae
• family Isuridae
• family Ixodidae
• family Jassidae
• family jewels
• family Juglandaceae
• family Juncaceae
• family Juncaginaceae
• family Jungermanniaceae
• family Kalotermitidae
• family Kasuwonidae
• family Kinosternidae
• family Kyphosidae
• family Labiatae
• family Labridae
• family Lacertidae
• family Lactobacillaceae