[ kuh n-vur-tuh-buh l ]
/ kənˈvɜr tə bəl /


capable of being converted.
having a folding top, as an automobile or pleasure boat.
exchangeable for something of equal value: debts payable only in convertible currencies.


an automobile or a boat with a folding top.
a sofa, couch, or chair whose seating section can be folded out into a bed.
Finance. a convertible bond or security.

Nearby words

  1. converted,
  2. converted rice,
  3. converted steel,
  4. converter,
  5. converter reactor,
  6. convertible bond,
  7. convertible debenture,
  8. convertible insurance,
  9. convertible lens,
  10. convertible preferred stock

Origin of convertible

First recorded in 1350–1400; Middle English word from Medieval Latin word convertibilis. See convert1, -ible

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for convertible

British Dictionary definitions for convertible


/ (kənˈvɜːtəbəl) /


capable of being converted
(of a car) having a folding or removable roof
  1. a bond or debenture that can be converted to ordinary or preference shares on a fixed date at a fixed price
  2. (of a paper currency) exchangeable on demand for precious metal to an equivalent value
  3. Canadian (of a mortgage) able to be converted into a longer term mortgage without financial penalty


a car with a folding or removable roof
Derived Formsconvertibility or convertibleness, nounconvertibly, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for convertible



late 14c., from Old French convertible (13c.), from Late Latin convertibilis "changeable," from Latin convertere (see convert (v.)). The noun is recorded from 1610s; meaning "automobile with a fold-down top" is from 1916.

Online Etymology Dictionary, © 2010 Douglas Harper