Synonyms for effortful
adj burdensomeformidable
adjective. difficult, overwhelming
hard
adjective. difficult, exhausting
- arduous
- backbreaking
- bothersome
- burdensome
- complicated
- demanding
- difficile
- distressing
- effortful
- exacting
- fatiguing
- formidable
- grinding
- hairy
- heavy
- herculean
- intricate
- involved
- irksome
- knotty
- labored
- laborious
- mean
- merciless
- murder
- onerous
- operose
- rigorous
- rough
- rugged
- scabrous
- serious
- severe
- slavish
- sticky
- strenuous
- terrible
- tiring
- toilful
- toilsome
- tough
- troublesome
- unsparing
- uphill
- uphill battle
- wearing
- wearisome
- wearying
harder
adjective. difficult, exhausting
- arduous
- backbreaking
- bothersome
- burdensome
- complicated
- demanding
- difficile
- distressing
- effortful
- exacting
- fatiguing
- formidable
- grinding
- hairy
- heavy
- herculean
- intricate
- involved
- irksome
- knotty
- labored
- laborious
- mean
- merciless
- murder
- onerous
- operose
- rigorous
- rough
- rugged
- scabrous
- serious
- severe
- slavish
- sticky
- strenuous
- terrible
- tiring
- toilful
- toilsome
- tough
- troublesome
- unsparing
- uphill
- uphill battle
- wearing
- wearisome
- wearying
hardest
adjective. difficult, exhausting
- arduous
- backbreaking
- bothersome
- burdensome
- complicated
- demanding
- difficile
- distressing
- effortful
- exacting
- fatiguing
- formidable
- grinding
- hairy
- heavy
- herculean
- intricate
- involved
- irksome
- knotty
- labored
- laborious
- mean
- merciless
- murder
- onerous
- operose
- rigorous
- rough
- rugged
- scabrous
- serious
- severe
- slavish
- sticky
- strenuous
- terrible
- tiring
- toilful
- toilsome
- tough
- troublesome
- unsparing
- uphill
- uphill battle
- wearing
- wearisome
- wearying
heavier
adjective. difficult, severe
- abstruse
- acroamatic
- arduous
- boisterous
- burdensome
- complex
- complicated
- confused
- effortful
- esoteric
- formidable
- grave
- grievous
- hard
- harsh
- intolerable
- knotty
- labored
- laborious
- onerous
- oppressive
- profound
- recondite
- rough
- serious
- solemn
- stormy
- strenuous
- tedious
- tempestuous
- toilsome
- tough
- troublesome
- turbulent
- vexatious
- violent
- wearisome
- weighty
- wild
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.