SPEND

(FORCE) [verb] [T] [past:] spent - to use (energy, effort, force, etc.), esp. until there is no more leftFor the past month he's been spending all his energy trying to find a job.They continued firing until all their ammunition was spent (= there was none of it left).The hurricane will probably have spent most of its force (= most of its force will have gone) by the time it reaches northern parts of the country.Her anger soon spent itself (= stopped).