増やすふやす Common Godan Transitive Español jmdict 1 Godan verb with 'su' ending transitive verb aumentar English jmdict 1 Godan verb with 'su' ending transitive verb to increase;to add to;to augment Antonym: 減らす (へらす) 体力を増やすように努めなさい。 Try to build up your strength. Other forms 殖やす 【ふやす】 (rarely used kanji form)