definable

UK: /dɪˈfaɪnəb^əl/

WordReference Random House Learner's Dictionary of American English © 2025

de•fine /dɪˈfaɪn/   v. [ ~ + obj], -fined, -fin•ing. 

1. to set forth the meaning of:
   His job was to define new words that were not yet in the dictionaries.
2. to explain or identify the nature of;
   describe:
   We had to define what our problems were before we could solve them.
3. to determine or fix the boundaries of;
   specify clearly:
   to define responsibilities.
4. to make clear the outline or form of;
   delineate:
   The black tree was clearly defined against a yellow background.

de•fin•er, n. [countable] See -fin-.

WordReference Random House Unabridged Dictionary of American English © 2025

de•fine  (di fīn′), v. -fined, -fin•ing. 
v.t. 

1. to state or set forth the meaning of (a word, phrase, etc.):
   They disagreed on how to define "liberal.''
2. to explain or identify the nature or essential qualities of;
   describe:
   to define judicial functions.
3. to fix or lay down definitely;
   specify distinctly:
   to define one's responsibilities.
4. to determine or fix the boundaries or extent of:
   to define property with stakes.
5. to make clear the outline or form of:
   The roof was boldly defined against the sky.

v.i. 

6. to set forth the meaning of a word, phrase, etc.;
   construct a definition.

• Latin dēfīnīre to limit, define, equivalent. to dē- de- + fīnīre; see finish
• Anglo-French, Old French definer to put an end to
• Middle English def(f )inen 1325–75

de•fin′a•ble, adj. 
de•fin′a•bil′i•ty, n. 
de•fin′a•bly, adv. 
de•fine′ment, n. 
de•fin′er, n. 
Synonyms

• 3. state, name, describe, detail, enumerate.