Antonyms of adj intercalary

1 sense of intercalary

Sense 1
intercalary -- (having a day or month inserted to make the calendar year correspond to the solar year: "Feb. 29 is an intercalary day"; "a leap year is an intercalary year")

INDIRECT (VIA additive) -> subtractive -- (constituting or involving subtraction; "a subtractive correction")

Similarity of adj intercalary

1 sense of intercalary

Sense 1
intercalary -- (having a day or month inserted to make the calendar year correspond to the solar year: "Feb. 29 is an intercalary day"; "a leap year is an intercalary year")
       => additive (vs. subtractive) -- (characterized or produced by addition; "an additive process")