It's strictly true but unimaginative (6-2-4)

I believe the answer is:

matter-of-fact

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'unimaginative' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

(Other definitions for matter-of-fact that I've seen before include "Straightforward and unemotional" , "Commonplace" , "Down to earth" , "Unimaginative, emotionless" , "Unemotional and practical" .)

I've seen this clue in The Globe and Mail.

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