- Obsolete
adj. no longer used; rare or uncommon
Historians assumed record players would be obsolete by now, but in fact they're making a huge comeback.
- Prescribe
v. to command orders v. to issue authorization for medications
The directions for our essay prescribe a length of at least ten pages. A doctor must prescribe you this medication before you can begin taking it.
- Retention
n. the act of keeping something
Water retention can make you weigh more on certain days.
