adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
hesitantly; timidly; diffidently
Describes acting in a hesitant, timid, or diffident manner, often with visible nervousness or lack of confidence. Common with する and と.
彼は面接でいじいじと答えた。
He answered hesitantly at the interview.
そんなにいじいじしないで、はっきり言ってください。
Don't be so timid; please say it clearly.