adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
indecisively; hesitantly; wishy-washily
Describes someone who cannot make up their mind, dithers, or acts timidly. Often used with する or と to describe behavior.
彼は何を買うか決められず、店の前でうじうじしていた。
He couldn't decide what to buy and was dithering in front of the store.
うじうじしないで、さっさと決めなさい。
Stop being wishy-washy and make up your mind quickly.