Laboriously synonyms

She handed him the tablet and he laboriously wrote something again.

With this view he studied the latter most laboriously, and in some measure certainly not without success, for he brought into prominence several points that had hitherto escaped the notice of his predecessors.

Here and there a couple of bees, by force of habit and custom cleaning out the brood cells, with efforts beyond their strength laboriously drag away a dead bee or bumblebee without knowing why they do it.

He laboriously perfected the military machine, which when once set in motion went on to victory.

It was for the most part written laboriously, and polished with unsparing care, line by line, often as he rode from one patient to another, and it occupied the leisure hours of many years.