adjective
- not easily moved or deceived; practical; shrewd.
- obstinate; stubborn; willful.
adjective
- tough, realistic, or shrewd; not moved by sentiment
- mainly US and Canadian stubborn; obstinate
also hardheaded, 1580s, “stubborn,” from hardhead “dull person” (1510s), from hard + head (n.). Meaning “practical” is attested from 1779.