What is another word for without passion?
Pronunciation: [wɪðˌa͡ʊt pˈaʃən] (IPA) 
When it comes to describing a lack of passion, there are several synonyms that can be used. One synonym is uninspired, which suggests a flattening of creative or emotional energy towards a specific task or purpose. Another synonym for without passion is lackluster, which indicates a lack of energy, intensity, and enthusiasm about something which is dull and uninteresting. Additionally, disinterested can be used when someone is aloof, impartial, or detached and has no emotional invest in a particular object. Stiff and mechanical are also other terms that can be utilized to convey the absence of passion and enthusiasm, especially within the context of performance or artistic expression.
