painstakingly

It had fallen into disrepair, and they spent years painstakingly restoring it.

The Sutton Hoo helmet was painstakingly pieced back together over many years after it was first uncovered broken into hundreds of pieces.

The deal, painstakingly negotiated over nearly two years under Barack Obama's presidency, imposed restrictions on Iran's nuclear activities in return for relief from sanctions that crippled the country's economy.

As is always the case with her stylistic adventures, the instrumental backing on the track is painstakingly authentic.

Make no mistake, the goal is to destroy the multiracial democracy that was painstakingly built in the 1960s.