interisland
adjective
in·ter·is·land ˌin-tər-ˈī-lənd 
variants or inter-island
: existing, occurring, or operating between islands
interisland trade
interisland flights
an interisland ferry service
Word History
First Known Use
1859, in the meaning defined above
- passionateness
- passionatenesses
- passionates
- passionating
- passionato
- passioned
- passionflower
- passionflower family
- passionflowers
- passionful
- passionfulness
- passioning
- Passionist
- passionists
- passionless
- passionlessnesses
- passions
- Passiontide
- passiontides
- passivate
- passivated
- passivates
- passivating
- passivation
- passivations