Antonyms of adj callable

1 sense of callable

Sense 1
callable -- (subject to a demand for payment before due date; "callable bonds")

INDIRECT (VIA due) -> undue -- (not yet payable; "an undue loan")

Similarity of adj callable

1 sense of callable

Sense 1
callable -- (subject to a demand for payment before due date; "callable bonds")
       => due (vs. undue) -- (owed and payable immediately or on demand; "payment is due")