From Middle English weighti, weghti, wighti, equivalent to .

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

• IPA: /ˈweɪti/

weighty (comparative weightier, superlative weightiest)

1. Having a lot of weight; heavy.
2. (figurative) Important; serious; not trivial or petty.

   a weighty argument

   • 1853, Solomon Northup, chapter IX, in [David Wilson], editor, Twelve Years a Slave. […], London: Sampson Low, Son & Co.; Auburn, N.Y.: Derby and Miller, →OCLC ↗, page 130 ↗:

     But I have now reached a point in the progress of my narrative, when it becomes necessary to turn away from these light descriptions, to the more grave and weighty matter of the second battle with Master Tibeats, and the flight through the great Pacoudrie Swamp.

3. Rigorous; severe; afflictive.

• German: wichtig
• Russian: тяжёлый
• Spanish: pesado

• German: schwergewichtig
• Spanish: de peso

• French: important
• German: wichtig
• Italian: importante
• Spanish: importante