laboriousadjective
uk/ləˈbɔː.ri.əs/us/ləˈbɔːr.i.əs/needing a lot of time and effort:
a laborious task
Thesaurus: synonyms and related words
Complicated and difficult to do
- advanced
- ambitious
- another
- arduous
- as much as you can do idiom
- fiddly
- fiendish
- fierce
- formidable
- get blood out of/from a stone idiom
- murky
- picnic
- problematic
- punishing
- rigorous
- schlep
- uphill
- vexed
- wearing
- wearying
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laboriously
adverb uk/ləˈbɔː.ri.əs.li/us/ləˈbɔːr.i.əs.li/
He wrote out the list laboriously by hand.