insatiablein‧sa‧tia‧ble /ɪnˈseɪʃəbəl/ adjective 
his insatiable appetite for power our insatiable thirst for knowledge—insatiably adverb
WORD ORIGINinsatiable
Origin:
1400-1500 Old French, Latin insatiabilis, from satiare ‘to satisfy’EXAMPLES FROM OTHER DICTIONARIES
- an insatiable appetite for attention
- His curiosity about the natural world is insatiable.
- Humankind seems to have an insatiable urge to conquer and explore.
- She had an insatiable thirst for attention.
Longman Language Activatordesires or needs that are never satisfied
an insatiable need, desire, demand etc is so strong that it never can be satisfied: · His curiosity about the natural world is insatiable.· She had an insatiable thirst for attention.· Humankind seems to have an insatiable urge to conquer and explore.
COLLOCATIONS FROM THE ENTRY his insatiable appetite for power our insatiable thirst for knowledgeCOLLOCATIONS FROM OTHER ENTRIES
always wanting more and more of somethinginsatiable appetite/desire/demand etc (for something) his insatiable appetite for power our insatiable thirst for knowledge (=used when someone is always curious)· He had an insatiable curiosity about why people do the things they do.
(=a desire that cannot be satisfied)· She had an insatiable desire for publicity.
COLLOCATIONS FROM THE CORPUSNOUN· Their observations concerning the insatiable appetite for immediate team success from the age of eight are so relevant.· The underlying problem is the insatiable appetite of modern political campaigns for ever more cash.· I've started reading your column in the Sunday Express but that won't satisfy my insatiable appetite for your peerless wit.· The government is not some sinister monster gobbling up taxpayers' money simply to satisfy its own insatiable appetite.· As one would expect of two old pros with an insatiable appetite for the game, we hardly stopped talking about football.· She named him Albert, and gave him an insatiable appetite for ropes.
· The fact is no government can meet the insatiable demand for ever more sophisticated medical technology by an ageing population.· The remarkable Ceylonese railway network was built largely as a response to the insatiable demands of tea-planting from the 1880s.
· The observer has an insatiable desire for abstract knowledge.· Whatever the financial climate, there still seemed an insatiable desire to build more office space, rentable or not.
his insatiable appetite for power our insatiable thirst for knowledge—insatiably adverb