1. not quick or alert in perception, feeling, or intellect; not sensitive or observant; dull.
2. not sharp, acute, or pointed; blunt in form.
3. (of a leaf, petal, etc.) rounded at the extremity.
4. indistinctly felt or perceived, as pain or sound.
"lyrics can be obtuse in hearings."
"individuals can be obtuse in things."
"angles can be obtuse."
"people can be obtuse."
"warnings can be obtuse."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.