Sedimentary
/ˌsɛd.ɪˈmen.tər.i/
Synonyms
- settled
- depositary
- stratified
Slang Meanings
Slow-moving or inactive, like sediment.
Dude, your plans for the weekend are so sedimentary, they’re not going anywhere.
Basic or mundane, lacking excitement.
That party was pretty sedimentary, just sitting around talking.