slogginggerund / present participle Used attributively to describe activities or situations characterised by continuous hard work.
Translations
laborieuxQui demande un effort continu et pénible. It was a long, slogging climb up the mountain.
C'était une longue montée laborieuse vers la montagne.
pénibleInsiste sur la difficulté et la fatigue ressenties. Characterised by or involving continuous hard, laborious effort. It was a long, slogging climb up the mountain.