1. in a manner that causes tiredness or exhaustion; weariingly

Examples

• The long hike was fatiguingly difficult for the younger children.
• She spoke in a fatiguingly repetitive manner that put the audience to sleep.
• The project became fatiguingly tedious after the third week.
• His fatiguingly detailed explanations made the simple concept seem complicated.
• The heat made the work fatiguingly slow and inefficient.