nonstop
adjective,adverb
us/ˌnɑːnˈstɑːp/uk/ˌnɒnˈstɒp/withoutstoppingor withoutinterruptions:
a nonstopflight
Itfeltlike wetravelednonstop for theentireweek.
Synonyms
around-the-clock
round-the-clock
for a very long time
- alwaysThe power plant is always running.
 - foreverI will love you forever.
 - permanentlyHis reputation was permanently ruined by the scandal.
 - eternallyEvildoers shall be eternally condemned.
 - uninterruptedlyStocks have risen uninterruptedly for the last three months.
 
Continuous & permanent
- abiding
 - abidingly
 - ad infinitum
 - around-the-clock
 - be
 - immanence
 - immanent
 - imperishable
 - incessant
 - incessantly
 - permanently
 - perpetuity
 - persevering
 - persistence
 - persistent
 - unremittingly
 - unwavering
 - wall-to-wall
 - year-around
 - year-round