
Inaction
Negative Connotation
Inaction usually implies a failure to act when action is expected or required, suggesting a negative judgment. 
Formal Contexts
'Inaction' is often used in formal or serious contexts, like politics, law, or emergency situations. 
Collocations Matter
Words often paired with 'inaction' emphasize the duration or impact of not acting, like 'prolonged' or 'costly'. 