Intercalary and Supplemental

Intercalary adjective - Having a day or month inserted to make the calendar year correspond to the solar year: "Feb. 29 is an intercalary day".

Supplemental and intercalary are semantically related. In some cases you can use "Supplemental" instead an adjective "Intercalary".

Nearby Words: intercalate, intercalated, intercalation

Supplemental adjective - Available to supply something extra when needed.

Intercalary and supplemental are semantically related. Sometimes you can use "Intercalary" instead an adjective "Supplemental".

Nearby Words: supplement, supplementary, supplemented, supplementing, supplementation