Sentence examples for they are obsolescent from inspiring English sources

They come down when they are obsolescent in 30-40 years. 30-40 years

Because they were obsolescent from their introduction, incapable of defeating foreign armor, and outclassed by newer German tanks, the Panzer I chassis were increasingly adapted as tank destroyers and other variants.

The circus and rodeo are obsolescent, night clubs are dwindling, and such diversions as band concerts and the straw-hat circuit are almost at an end.

The price of oil has dropped to the point that old approaches and operations -- such as Arctic drilling and controversial pipelines -- make no sense and are obsolescent in the face to new competitive investment in alternatives.

Neither does it mean that many existing, and much loved, community-based hospitals will not be closed where they are found to be obsolescent, inappropriate or just plain outmoded.

Although many of these aircraft, in particular the Brewster F2A-3s, were obsolescent, they were the only aircraft available to the Marine Corps at the time.

The idea that war is obsolescent may seem preposterously utopian.

The whole Playboy thing is obsolescent, as is Hefner, who is 89.

Indeed, it could be obsolescent only a few years after it enters service.

Even in England, the word knave is obsolescent, used only by the very old or those being consciously quaint.

The Dreadnought immediately made all preceding battleships obsolete, but by World War I it was obsolescent itself, having been outclassed by faster "superdreadnoughts" carrying bigger guns.