burdensome
adjective
[ ˈbəːdns(ə)m ]
• difficult to carry out or fulfil; taxing.
• "the burdensome responsibilities of professional life"
Similar:
onerous,
oppressive,
troublesome,
weighty,
worrisome,
vexatious,
irksome,
trying,
crushing,
inconvenient,
awkward,
a nuisance,
harsh,
severe,
stiff,
stringent,
formidable,
an imposition,
arduous,
strenuous,
rigorous,
uphill,
difficult,
hard,
laborious,
Herculean,
exhausting,
tiring,
taxing,
demanding,
punishing,
gruelling,
back-breaking,
exacting,
wearing,
stressful,
wearisome,
fatiguing,
toilsome,
exigent,