never so's Usage Examples:

1748 was the halcyon season of single wicket, perhaps never so popular before or since.

its international popularity in the later 19th century, though it was never so called by the people who created it.

National Aeronautics and Space Administration (NASA) has stated that it was never so designated, and it was not within the entry crossrange capability of Space.

Chatham Dockyard as a potential subject for experimental work, but was never so-employed.

ocean where sunlight reaches the ocean floor, that is, where the water is never so deep as to take it out of the photic zone.

Synonyms:

Australian Desert; Great Australian Desert;

Antonyms:

unquestionable; incontestable; undeniable; undeclared;