knackering
Completely draining someone
Knackering is the business of slaughtering worn-out horses and other animals, rendering them into products like glue, fertilizer, and pet food.
A knacker runs such an operation.
In British slang, knackering something means ruining or exhausting it completely: That hike up the mountain was absolutely knackering.
The adjective knackered means exhausted or broken beyond use.
Causing fatigue
- sleep-inducingCausing drowsiness or slumber
- soporificInducing drowsiness
- wearingHaving clothing on
- frazzlingCausing complete exhaustion
shattered · bushed · zonked · wiped · cream-crackered · jiggered · whacked · pooped
Depleting one's reserves
- sappingGradually draining vitality
- depletingProgressively using up
- enervatingCausing loss of vigor
- weakeningBecoming less strong
debilitating · wearing · grinding · eroding · consuming · withering · devitalizing · soul-destroying
Extremely tiring and demanding
- arduousDemanding strenuous effort
- strenuousRequiring intense exertion
- taxingRequiring great effort
- punishingExtremely taxing or severe
backbreaking · tough · hard · heavy · draining · brutal · relentless · intense
Discouraging through difficulty
- crushingOverwhelming in intensity
- oppressiveUnjustly harsh or stifling
- overwhelmingIntensely excessive in force
- unrelentingRefusing to let up
unsparing · insurmountable · demoralizing · dispiriting · disheartening · soul-crushing · breaking · crippling
tiring
Causing fatigue
- sleep-inducingCausing drowsiness or slumber
- soporificInducing drowsiness
- wearingHaving clothing on
frazzling · shattered · bushed · zonked · wiped · cream-crackered · jiggered · whacked · pooped · beat
draining
Depleting one's reserves
- sappingGradually draining vitality
- depletingProgressively using up
- enervatingCausing loss of vigor
weakening · debilitating · wearing · grinding · eroding · consuming · withering · devitalizing · soul-destroying · hollowing
grueling
Extremely tiring and demanding
punishing · backbreaking · tough · hard · heavy · draining · brutal · relentless · intense · rigorous
daunting
Discouraging through difficulty
- crushingOverwhelming in intensity
- oppressiveUnjustly harsh or stifling
- overwhelmingIntensely excessive in force
unrelenting · unsparing · insurmountable · demoralizing · dispiriting · disheartening · soul-crushing · breaking · crippling · defeating
knackeringrefreshing
Pleasingly restorative
rejuvenating · invigorating · energizing · revitalizing · restorative
knackeringeffortless
Requiring no strain
easy · undemanding · untaxing · light · cushy
exhausting, wearying, fatiguing, knackered, knacker, knackers