What is another word for gruelingly?
Pronunciation: [ɡɹˈuːəlɪŋlɪ] (IPA) 
Gruelingly is an adverb used to describe something that is excessively tiring, arduous or demanding. It is a word that is often used to describe difficult tasks or situations. However, there are several other synonyms that can be used in its place. These include, but are not limited to, exhausting, strenuous, grueling, taxing, demanding, laborious, cumbersome, difficult, wearisome, and challenging. When authors are writing and want to avoid repetitiveness, they switch up their verbiage using synonyms in tandem. Selecting the right synonym to convey the intended message can take your writing from mediocre to fantastic.
