trouble-free

See also: troublefree

English

From trouble +‎ -free.

trouble -free (not comparable)

Without trouble.
The construction of the bridge was trouble-free.
- 1961 March, Cecil J. Allen, “Locomotive Running Past and Present”, in Trains Illustrated, pages 153–154:
  Since then we have had the unfortunate failure of a lubricating oil-pump on the diesel hauling the down "Fenman" on the Great Eastern Line, the subject of vast newspaper publicity because the Queen, who was on the train, was delayed an hour on her journey - and this, ironically, with a diesel of a type which has been as trouble-free as any other in the country.

without trouble