16-letter words containing g, r, a, d, b, i
- karadeniz bogazi — Bosporus
- nonbiodegradable — Not biodegradable.
- norwegian buhund — a slightly-built medium-sized dog of a breed with erect pointed ears and a short thick tail carried curled over its back
- objective danger — a danger, such as a stone fall or avalanche, to which climbing skill is irrelevant
- operating budget — money allocated to a project
- organized labour — labour carried out by workers in trade unions, or the workers themselves
- single-barrelled — (of a firearm) having a single barrel
- stroboradiograph — a stroboscopic radiograph.
- swedenborgianism — of or relating to Emanuel Swedenborg, his religious doctrines, or the body of followers adhering to these doctrines and constituting the Church of the New Jerusalem, or New Church.
- the red brigades — a group of urban guerrillas, based in Italy, who kidnapped and murdered the former Italian prime minister Aldo Moro (1916–78) in 1978
- tungsten carbide — a very hard, black or gray compound of tungsten and carbon, used in the manufacture of cutting and abrasion tools, dies, and wear-resistant machine parts.