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general::
Phrase(s): *on the back burner
Fig. [of something] on hold or suspended temporarily. (Alludes to putting a pot that needs less active attention on a back burner of a stove, leaving space for pots that need to be stirred. Compare this with on the front burner. *Typically: be ~; put something ~.) • The building project is on the back burner for now. • This matter was on the back burner for a long time.
McGrawhill's American Idioms And Phrasal Verbs