[common] 1. [techspeak] An extremely
small change. "A marginal increase in core can decrease
GC time drastically." In everyday terms, this means that it
is a lot easier to clean off your desk if you have a spare place to
put some of the junk while you sort through it. 2. Of little
merit. "This proposed new feature seems rather marginal to me."
3. Of extremely small probability of winning. "The power
supply was rather marginal anyway; no wonder it fried."