Weighty

What does WEIGHTY mean?

1. adjective

   having relatively great weight; heavy

   “a weighty load”

2. adjective

   powerfully persuasive

   “a cogent argument”

3. adjective

   of great gravity or crucial import; requiring serious thought

   “grave responsibilities”

4. adjective

   weighing heavily on the spirit; causing anxiety or worry

   “weighty problems”

Definitions from WordNet 3.1, Princeton University.