in·con·sid·er·able 
/ˌɪnkənˈsɪdɚrəbəl/ adjective
/ˌɪnkənˈsɪdɚrəbəl/ adjective formal : not large enough in size or amount to be considered important — used in negative statements ▪ a woman of not inconsiderable wealth [=a wealthy woman] ▪ It was a not inconsiderable accomplishment. [=it was not a trivial accomplishment; it was an important or impressive accomplishment] ▪ He played no inconsiderable role [=his role was important] in resolving the crisis.
