Select the word which means the same as the group of words given:

"Which happens once a year"?

Annual

The word that means the same as the group of words "Which happens once a year" is annual.

• Leap year happens every four years, except for years that are divisible by 100 but not by 400.
• Biennial happens every two years.
• Annual happens every year.
• Fortnightly happens every two weeks.