Uninterrupted (3-4)
'uninterrupted' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for non-stop that I've seen before include "continuously" , "Round-the-clock" , "Unceasing" , "Going straight from A to B" , "Continuous" .)
'uninterrupted' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for ongoing that I've seen before include "Continually moving forward" , "Currently happening" , "still in operation" , "Actually in progress" , "Not yet concluded" .)
'uninterrupted' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for nonstop that I've seen before include "Going straight from A to B" , "Done without pause" , "Incessant" , "without rest" , "Never pausing" .)
'uninterrupted' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for smooth that I've seen before include "Even; without jerks" , "Without lumps" , "Not rough or wrinkled" , "Calm" , "without difficulty" .)