Companion of a negative variety (7)

I believe the answer is:

consort

I'm a little stuck... Click here to teach me more about this clue!

'companion of a negative variety' is the definition.
'consort' can be an answer for 'companion' (I've seen this before). I am not sure about the 'of a negative variety' bit.

'companion of a negative variety' is the wordplay.
'companion of a negative' becomes 'con' (this might be a standard abbreviation I've not previously seen).
'variety' becomes 'sort' (synonyms).
'con'+'sort'='CONSORT'

Can you help me to learn more?

(Other definitions for consort that I've seen before include "Keep company" , "Marriage partner" , "Group playing music" , "helpmate" , "Small group; spouse" .)

I've seen this clue in The Daily Express.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.