Library / English Dictionary

INDEFATIGABLE

Pronunciation (US):

(GB):

 I. (adjective) 

Sense 1

Meaning:

Showing sustained enthusiastic action with unflagging vitality

Example:

unflagging pursuit of excellence

Synonyms:

indefatigable; tireless; unflagging; unwearying

Classified under:

Adjectives

Similar:

energetic (possessing or exerting or displaying energy)

Derivation:

indefatigability; indefatigableness (tireless determination)

Credits

 Context examples: 

To so practised and indefatigable a horseman as Mr. Rochester, it would be but a morning's ride.

(Jane Eyre, by Charlotte Brontë)

My father’s care and attentions were indefatigable, but he did not know the origin of my sufferings and sought erroneous methods to remedy the incurable ill.

(Frankenstein, by Mary Wollstonecraft Shelley)