0 used when something is not certain: --
1 used with "can" or "could" for emphasis: --
2 so as to do or achieve something: --
He can’t possibly mean what he says.
3 with a likelihood that might or might not be true; perhaps: --
However, they have not found favour with many workers, possibly due to complexity and expense.
After that period, new parasitoids would emerge and possibly reduce further the spread of the virus.
An event that could possibly impact this design proper ty occurred in the cluster.
In fact, research on cortical connectivity finds development to be discontinuous, and possibly stagelike, based on experience-dependent and experience-independent factors.
How could anything so infuriatingly nebulous possibly elucidate egoism or altruism?
However, this is possibly the most questionable point in their paper.
How complex a cultural repertoire could possibly ratchet up, without primate manual dexterity?
What if they proved to be among those nonhuman animals (possibly including the great apes, elephants, and other species) of which this could be said?