Meaning

adjective having relatively great weight; heavy

adjective powerfully persuasive

adjective of great gravity or crucial import; requiring serious thought

originFrom 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 vigtig, Swedish viktig. Compare typologically Russian ве́ский (véskij), весо́мый (vesómyj) (< вес (ves)). Also compare the same meaning development from cognate (by borrowing) Polish…

Etymology from Wiktionary, CC BY-SA 3.0