(Especially of a woman) lustful or promiscuous.
More example sentences
- Even a riggish French noblewoman could hardly throw a glamour of romance over so prosaic an interest as the Franco-American trade in fish-oil and salt cod.
- A riggish bachelor invites a sweet young thing to his apartment.
- The landlady happened to be the most riggish female in the Duchy of Milan.
late 16th century: perhaps from dialect rig 'imperfectly castrated animal' (associated with wild behaviour).