Definition of hairdo in English:
noun (plural hairdos)informal
The style of a woman’s hair.
- Yesterday I washed my new hairdo, and the perm is now virtually non-existent, more of a wave than a curl.
- Besides, most women I know end up looking like their grandmother with some stiff, dated hairstyle after they go to a hairdresser for a formal hairdo.
- Many want to conceal the strands of gray hair creeping into their hairdos.