defy

America’s tech build-out has minted millionaires in Silicon Valley, helped a record-breaking stock market defy gravity and buoyed an otherwise uncertain U.S. economy.

The Tacugama Chimpanzee Sanctuary has defied the threat of habitat loss and civil war to become the country's leading ecotourism destination and a model for environmental conservation across west Africa.

It seems, at first, to defy logical explanation.

"For Nanotyrannus to be a juvenile T. rex, it would need to defy everything we know about vertebrate growth," explains James Napoli, an anatomist at Stony Brook University and co-author of the research.

They have continually defied the odds and broken down barriers.