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Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for weighty in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)


From Middle English weighti, weghti, wighti, equivalent to weight +‎ -y.

Cognate with Scots weichty, wechty, wichty, Saterland Frisian wichtich, West Frisian wichtich, Dutch wichtig, gewichtig, German wichtig, Danish vægtig, Swedish viktig.



weighty (comparative weightier, superlative weightiest)

  1. heavy (having a lot of weight)
    a weighty body.
  2. important; or serious
    a weighty argument
  3. Rigorous; severe; afflictive.