be a great believer in (something)

be a great believer in (something)

To have a strong conviction that something (stated after "in") is important or worthwhile. I'm a strong believer in resting on the weekends so that I don't get burned out.
See also: believer, great
Farlex Dictionary of Idioms.

be a great/firm believer in something

believe strongly that something is good, important or valuable: My mother was a great believer in horoscopes all her life. The boss was a firm believer in developing strong teamwork.
See also: believer, firm, great, something
Farlex Partner Idioms Dictionary
See also:
  • pant for
  • pant for (someone or something)
  • get/have the hots for somebody
  • have the hots for
  • have the hots for (someone or something)
  • have the hots for someone
  • have got the hots for (someone or something)
  • give (one) a strong hold on (someone)
  • the hard stuff
  • penchant