Meanings of semiannual event in English

She'd given up bangs, and then layers, when she finally accepted that haircuts, at least for her, were a semiannual event at best.

If it works well, try to build it into your personal calendar so you can organize it as a quarterly or semiannual event.

Shows at the semiannual event have steadily become more elaborate as designers seek unusual settings to get the most attention for their collections.