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Difficult to do and involving a lot of effort - synonyms or related words

difficult

adjective

not easy to do, deal with, or understand

hard

adverb

using a lot of effort

tough

adjective

difficult

demanding

adjective

needing a lot of time, ability, and energy

challenging

adjective

difficult to deal with or achieve, but interesting and enjoyable

arduous

adjective

extremely difficult and involving a lot of effort

taxing

adjective

difficult, and needing a lot of physical or mental effort

punishing

adjective

extremely difficult, tiring, or damaging

complicated

adjective

difficult to do, deal with, or understand, especially because of involving a lot of different processes or aspects

be an effort

to be difficult, tiring, or boring to do

BuzzWord

Physical Cookie

a small electronic device which is taken into shops and links individual customers to advertisements …

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Open Dictionary

sortilege

the act or practice of telling the future using random items such as playing cards

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