These 'real fight' conditions, are absolutely invaluable to the student.

His intellectual and conceptual contributions were absolutely invaluable, as was his editor's eye.

I know enough of the economics of the thing, if not its science, to know that the apparatus before us is absolutely invaluable.

Readers, launch your browsers: Dead People Server (http://web.syr.edu/rsholmes/dead/index.html) An absolutely invaluable service for those who cannot remember the current status of celebrities and cultural icons.

For any sort of forward prospecting, or monitoring that you do, the backs of the calendar cards are absolutely invaluable.

Which made her absolutely invaluable on board the Enterprise while I was gone.

Absolutely invaluable.

By the way, friendly, protective neighbours are absolutely invaluable and well worth cultivating for that reason if no other.

Having Columbia and Michigan as backers has been "absolutely invaluable," he said.

Absolutely invaluable for the elderly or their carers, this site provides a mine of health information that is age-related, but also extends to healthcare rights, home safety and security, and discrimination in the NHS.