► tiring making you feel that you want to sleep or rest: · The journey was really tiring.· I’ve had such a tiring day.· It was tiring work.
► exhausting extremely tiring: · I had to drive nine hours without a break – it was exhausting.· an exhausting week of singing, acting, and dancing
► hard very tiring and difficult – used about days, journeys etc: · a hard day at work· The last part of the journey was very hard.
► wearing tiring because you have to use a lot of your mental energy, and often become bored – used about people, situations etc: · I find her constant questions rather wearing.· Kids of that age can be very wearing.· His films always tend to have the same plots, which does get rather wearing after a while.
► gruelling British English, grueling American English (also punishing) very tiring physically or mentally – used when you have to keep doing something for a long time: · a gruelling journey across the desert· a gruelling race· a punishing schedule· a punishing exercise regime
► backbreaking backbreaking work is extremely tiring and needs a lot of physical effort: · Clearing the land was slow backbreaking work.· Laborers were paid $2 a day for backbreaking farm work.
► something is a killer informal used when saying that something is extremely tiring: · Today was a real killer.
► fatiguing formal making you feel very tired: · Factory work was repetitive and fatiguing.
extremely tiring SYN exhausting