Pronunciation: (sum'thing"),[key] —pron. 1. some thing; a certain undetermined or unspecified thing: Something is wrong there. Something's happening. 2. an additional amount, as of cents or minutes, that is unknown, unspecified, or forgotten: He charged me ten something for the hat. Our train gets in at two something.
—n. Informal.a person or thing of some value or consequence: He is really something! This writer has something to say and she says it well.
—adv. 1. in some degree; to some extent; somewhat.
2. Informal.to a high or extreme degree; quite: He took on something fierce about my tardiness.