coarsen

• When he looked like that you could see that in the next ten years the regular features might coarsen, the lower part of the face become too heavy, and the colour fixed. —  The Case of William Smith - Patricia Wentworth - Miss Silver 14: 1948
• Rosenworcel said that TV was a powerful force, and when used for good could enlighten and entertain, but when "used for ill" can coarsen the culture and present disturbing issues to kids. —  B&C - Breaking News
• With the automatic transmission, there's not really much of a difference in performance between the two models, except the four-cylinder engine can coarsen under hard acceleration. —  The Car Connection
• During intervening periods, the river preferentially erodes finer sand grains from the bed causing it to winnow and coarsen. —  USGS Newsroom
• Although that nominee was defeated in November 1982, politics began to coarsen in the 1980s and 1990s. —  Freep.com - RSS

Allen's Synonyms and Antonyms

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