Difficult Integral Calculus Problems

https://dictionary.cambridge.org › dictionary › english › difficult
DIFFICULT definition 1 needing skill or effort 2 not friendly easy to deal with or behaving well 3 needing Learn more

https://www.merriam-webster.com › dictionary › difficult
Difficult implies the presence of obstacles to be surmounted or puzzles to be resolved and suggests the need of skill or courage

https://englishan.com › synonyms-for-difficult
Discover 110 synonyms for difficult with examples to improve your vocabulary and express challenges more effectively in different contexts

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https://mrmrsenglish.com › difficult-words-in-english
In this article you will learn 200 Difficult Words in English with Meanings and Pictures explained in simple and easy language Each word is chosen carefully to help students learners and

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https://en.wiktionary.org › wiki › difficult
Difficult implies that considerable mental effort or physical skill is required or that obstacles are to be overcome which call for sagacity and skill in the doer as a difficult task

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Find 179 different ways to say DIFFICULT along with antonyms related words and example sentences at Thesaurus

https://dictionary.cambridge.org › us › dictionary › english › difficult
DIFFICULT meaning 1 needing skill or effort 2 not friendly easy to deal with or behaving well 3 needing Learn more