n.
   - a category of people or things with a common feature. ▸informal a person with a specified nature. 
- Computing  the arrangement of data in a prescribed sequence.
- archaic a manner or way.
v.
  - arrange systematically in groups. ▸separate from a mixed group. ▸
(sort through)
 look at in succession for classification or to make a selection. 
- 
(sort someone/thing out)
 resolve a problem or difficulty. ▸
(sort someone out)
 informal deal with a troublesome person. 
Phrase
  
    - in some sort
 dated to some extent.
- of a sort 
(or of sorts)
 of a somewhat unusual or inferior kind.
- out of sorts
 slightly unwell or unhappy.
- sort of
 informal to some extent.
 
  Derivative
  
  Usage
  The construction these sort of, as in I don't want to answer these sort of questions, is ungrammatical and should be avoided in formal writing. This is because these is plural and needs to agree with a plural noun; the correct usage is these sorts of questions. See also usage at kind1.
  Etymology
  ME: from OFr. sorte, from an alt. of L. sors, sort- ‘lot, condition’.