interminable

UK: /ɪnˈtɜː^rmɪnəb^əl/ US: /ɪnˈtɝmənəbəl/ ,(in tûr′mə nə bəl)

WordReference Random House Learner's Dictionary of American English © 2026

in•ter•mi•na•ble /ɪnˈtɜrmənəbəl/   adj. 

1. seeming to last forever;
   endless:
   his interminable chatter about his accomplishments.

in•ter•mi•na•bly, adv. See -term-.

WordReference Random House Unabridged Dictionary of American English © 2026

in•ter•mi•na•ble  (in tûr′mə nə bəl), adj. 

1. incapable of being terminated;
   unending:
   an interminable job.
2. monotonously or annoyingly protracted or continued;
   unceasing;
   incessant:
   I can't stand that interminable clatter.
3. having no limits:
   an interminable desert.

• Late Latin interminābilis. See in-³, terminable
• Middle English 1325–75

in•ter′mi•na•ble•ness, in•ter′mi•na•bil′i•ty, n. 
in•ter′mi•na•bly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

interminable / ɪnˈtɜːmɪnəb^əl/ adjective

1. endless or seemingly endless because of monotony or tiresome length

inˌterminaˈbility, inˈterminableness noun

inˈterminably adverb