unlikely vs likely

unlikely and likely both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unlikely	No	Yes	No	No
likely	No	Yes	No	Yes

unlikely (adjective)	likely (adjective)
has little chance of being the case or coming about	has a good chance of being the case or of coming about
not likely to be true or to occur or to have occurred	within the realm of credibility
having a probability too low to inspire belief	expected to become or be; in prospect

unlikely (adverb)	likely (adverb)
	with considerable certainty; without much doubt