noun, noun or participle which takes 'suru', transitive verb, intransitive verb
stick to; cling to; adhere to; insist on
Used for stubbornly holding onto an opinion, theory, belief, or principle, often with a negative connotation of inflexibility. Can be used as a noun or with する as a transitive or intransitive verb.
彼は自分の意見に固執して譲らなかった。
He stuck to his opinion and wouldn't budge.
Clinging to old customs hinders progress.