1. (

• annual ,
• yearly ,
• yearbook

) a reference book that is published regularly once every year ;

1. (

• annual ,
• yearly

) occurring or payable every year; "an annual trip to Paris"; "yearly medical examinations"; "annual (or yearly) income" ;

1. (

• annually ,
• yearly ,
• every_year ,
• each_year

) without missing a year; "they travel to China annually" ;