The phrase "almost warrant" is correct and usable in written English.
It can be used when discussing a situation or evidence that nearly justifies or supports a particular conclusion or action, but not quite enough to fully do so.
Example: "The evidence presented in the case almost warrants a reconsideration of the verdict, but it lacks the necessary weight."
Alternatives: "nearly justifies" or "almost supports".
Normally, I'd be wary about throwing around such momentous terms, but here I think they're almost warranted.
The new material lacks the slivers of quicksilver electro-brilliance of oldies such as Kinky Afro and Step On but gains in lewdness; Uncle Dysfunktional is so sleazy, it almost warrants legal attention.
The first card was for dissent and the winger was still clearly rattled as he flew into a wild challenge on Leighton Baines that almost warranted a red card in itself.
Then, last week, I heard about an act of financial domination so exorbitant that it almost warranted its own genre of kink.
Such a prosecution in the UK, however, would almost certainly warrant little more than a six-month community service order and a large fine.
In our experience, adults with blood lead concentrations ≥ 100 μg/dL almost always warrant chelation, as levels of this magnitude are often associated with significant symptoms and may be associated with an incipient risk of encephalopathy or seizures.
In other ailments, like acute bronchitis, the best research suggests that antibiotics are almost never warranted, because the infection is viral, or in other ways self-limiting; the drugs do not speed recovery.
The strength of the form is that such charges are almost always warranted, but its weakness derives from the complainants pretense that hes leveling them out of shock and disappointment.
Almost everything warranted a sequel, sometimes for good (those Elder Scrolls people kept on trucking!) and sometimes for ill (King's Quest: Mask of Eternity hasn't aged like a fine wine).
