In a sentence
Six example sentences with intractable, each labelled with its topic.
The three body problem stayed intractable for two centuries; no amount of cleverness produced the tidy formula everyone wanted.
Science
Warehouse losses proved intractable: four audits, two new locking systems and a shift change left the monthly figure exactly unchanged.
Business
Free will remains intractable after two thousand years, and every generation restates the puzzle without ever settling it.
Philosophy
The border dispute proved intractable, outlasting six prime ministers and every mediator the United Nations sent.
Politics
Her hiccups were intractable, lasting eleven days despite every remedy from cold water to a specialist's prescription.
Medicine
Scheduling every exam so no student has two at once is intractable at scale, so the software settles for a good-enough timetable.
Technology
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Found in these word lists
Found in 7 published word listsRecognized
Each source is a published word list that contains intractable. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.