(usually with "of") To emphasize, put much value on. / (usually with "of") To give fond attention to; to cosset.

how much does it cost?

(interrogative) To what degree; to what extent.

(UK, slang, obsolete) you what? huh?

(interrogative) What amount or quantity (of something stated or implied). / (specifically, when referring to the cost of an item) What amount of money.

An expression of satisfaction.

To a greater extent than is wanted or required; excessively. / To a sufficiently strong degree to prevent some other action from happening.

A quantity which is excessive to the point of being inappropriate, harmful, or overwhelming. / Something that is absurdly funny or inappropriate.

More (of something) than is desirable or required. / (in negative constructions) Much; even a moderate amount.

(informal) Amusing; entertaining.