The musical instruments and parts are completely professional quality! And yet the prices are lower than anywhere!

A complete intransitive verb takes neither complement nor object.

For things that have had contents with volatile oil like thinners they should be left for a few days to completely evaporate it before being disposed of as non-flammable waste.

Yoko ignored John completely, and he did the same to her.

I agree with you absolutely.

I am completely accustomed to this kind of work now.

The report checks with the facts in every detail.

My father was completely bald by the time he was forty.

My plan to study abroad went by the board when my father died.

Please stay seated until the plane comes to a complete stop.

She was completely taken in by his smile.

She was fully guaranteed her liberty.

She has a thorough grasp of her work.

She didn't quite understand my English.

Asked to do her a favor, he completely ignored it.

Her skirt is totally out of fashion.

He completely failed to understand why she got angry.

He had complete mastery over the necessary mathematics formula.

Though he long dominated the steel industry, he never achieved a complete monopoly.

He ran on and on, until he was completely exhausted.