8
labourious(time, adjective, labour, spending, length)
8
laboursome(adjective, time, labour, spending)
8
operose(time, adjective, labour, spending, length)
8
painstaking(adjective, time, labour, spending)
8
physically demanding(expression, time, labour, spending)
8
time-sapping(time, adjective, labour, spending, length)
8
time taking(expression, time, labour, spending)
8
timeconsuming(adjective, time, labour, spending)
8
toilful(time, adjective, labour, spending, length)
8
with a high labour content(expression, time, labour, spending)
7
labour intensive(expression, time, labour, spending)
7
long(adjective, time, slow, late, labour)
7
prolonged(adjective, characteristic, dull, time, moderate)
7
slow(adjective, time, late, labour, debilitated)
6
arduous(adjective, time, hard, tough, slow)
6
inefficient(adjective, time, slow, labour, consumption)
6
lingering(adjective, characteristic, dull, time, moderate)
6
onerous(adjective, time, hard, tough, slow)
6
timewasting(adjective, time, slow, labour, consumption)
5
time-intensive(adjective, characteristic, time, consumption)
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APASmart Define. (2013). time-consuming thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/time-consuming/thesaurus/synonyms
ChicagoSmart Define. 2013. "time-consuming thesaurus" https://smartdefine.org/time-consuming/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, time-consuming thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/time-consuming/thesaurus/synonyms>.
MLASmart Define. "time-consuming thesaurus" 27 June 2013. Web. 21 September 2026. <https://smartdefine.org/time-consuming/thesaurus/synonyms>