noun, noun or participle which takes 'suru', transitive verb
overestimation; overrating; attaching too much importance to
Used for overvaluing something or someone, often in formal or critical contexts. Can be used as a noun or with する as a transitive verb.
自分の能力を過大視してはいけない。
You must not overestimate your own abilities.
He is attaching too much importance to that issue.