1. in a manner involving hard work, toil, or laborious effort; with difficulty or strain
Usage: archaic or literary; derived from the verb 'moil' meaning to work hard or to churn

Examples

• The workers moved moilingly through the swamp, each step requiring great effort.
• She moilingly climbed the steep mountain path in the heat.
• The old machine churned moilingly, struggling under the heavy load.
• He moilingly pushed the boulder up the hill, sweat dripping down his face.