dec·ade·long 
(dĕkād-lông′, -lŏng′, də-kād-)
(dĕkād-lông′, -lŏng′, də-kād-)adj.
Lasting a decade: a decadelong national research effort.
- inappropriate
- inappropriately
- inappropriateness
- inapt
- inaptitude
- inaptly
- inaptness
- inarguable
- inarguably
- Inari
- inarticulacy
- inarticulate
- inarticulately
- inarticulateness
- inartistic
- inartistically
- inasmuch as
- in a/some measure
- in at/on the kill
- inattention
- inattentive
- inattentively
- inattentiveness
- in at the kill
- inaudibility