Until the boy fell ill, the French clinical trial was gene therapy's only unequivocal success.

Midway through the Democratic presidential primaries this year, the bill's authors had been ready to declare the new rule an unequivocal success.

The cup has been an unequivocal success within racing and with its established fans, but less of a hit with the public.

For a start, Google's flotation is not seen as an unequivocal success.

An unequivocal success in this trial would have been the first important validation of the technology, which is called antisense.

None of these initiatives has met with unequivocal success.

But the company's employment policy can be described as an unequivocal success.

The treatments in France had been considered the only unequivocal success for gene therapy after a decade of failures.

In this role, however, his success, though unequivocal, did not meet his admirers' expectations.

That there is a strong storyline only adds to the book's unequivocal success.