na-adjective
too small; too little; insufficient
Used for quantities, scales, or evaluations that are below what is appropriate or expected. Often appears in formal or critical contexts, such as 過小評価 (underestimation). Antonym: 過大 (excessive).
Antonyms: 過大
この予算は過小だ。
This budget is too small.
彼の能力を過小評価してはいけない。
You must not underestimate his ability.