semiyearly

/ˌsɛmiˈjɪrli/
adjective
  1. Occurring twice a year.
    • The company holds semiyearly performance reviews for all employees.
    • We have a semiyearly subscription that bills in January and July.
    • The garden club organizes semiyearly plant sales in spring and fall.
adverb
  1. Twice a year.
    • The board meets semiyearly to review the budget.
    • We check the smoke detectors semiyearly when we change the clocks.
    • The magazine is published semiyearly, with issues in June and December.