WordReference Random House Unabridged Dictionary of American English © 2025
cus•tom•a•ble
(kus′tə mə bəl),USA pronunciation adj.
cus′tom•a•ble•ness, n.
- Governmentsubject to customs or duties;
dutiable.
- Anglo-French c(o)ustumable. See custom, -able
- Middle English 1275–1325