ichidan verb, transitive verb
look down on; make light of; belittle
Used when someone treats a person, opinion, or thing as unimportant or inferior. Often implies a dismissive or contemptuous attitude.
彼は相手の意見を軽んじる傾向がある。
He tends to make light of other people's opinions.
安全対策を軽んじてはいけない。
You must not belittle safety measures.