The Gentleman seemed totally unconcerned about the threat.
She was totally unconcerned with how she looked, and I learnt by example.
You seem totally unconcerned as to the immediate past and the immediate future.
She seemed totally unconcerned by the crackling tension in the atmosphere.
Concentrating on whittling a small piece of wood, he appeared totally unconcerned by the goings-on.
She was going her own sweet way, totally unconcerned about what might be going on in her wake.
Harlow seemed totally unconcerned by the mayor's reactions.
The crocodile was totally unconcerned by the light, which it probably took for the moon.
The truth is that the major players in the aircraft industry have been totally unconcerned, it has not affected them.
He seemed totally unconcerned with what he was doing to Marissa.