rip-roaringˌrip-ˈroaring adjective, adverb informal 
exciting and full of energy: 
Micky had a rip-roaring time spending his first wage packet.
exciting and full of energy: Micky had a rip-roaring time spending his first wage packet.- indiscriminate
- indiscriminately
- indispensable
- indisposed
- indisposition
- indisputable
- indisputably
- indissoluble
- indissolubly
- indistinct
- indistinctly
- indistinguishable
- individual
- individualism
- individualist
- individualistic
- individuality
- individualize
- individualized
- individually
- Individual Retirement Account
- Individual Savings Account
- individuate
- indivisible
- indivisibly