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- irisin 7
- court-martial 44
- headship 5
- camel 322
- bubble and squeak 47
- koori 6
- laminated 8
- Gum 120
- hanukkah 7
- Substantially 71
- bereft 139
- flagged 42
- try-out 324
- tiger 540
- seek out 33
- Destroy 311
- playground 360
- jv 8
- producer 117
- hoon 9
- Sense 298
- ending 804
- hexagram 6
- irc 8
- Paparazzi 10
- RUST 30
- honduran 6
- Monarch 414
- Dupe 37
- crime 1537
- self-denial 46
- cuckold 52
- Suitcase 267
- crackers 86
- canal 369
- fratricidal 47
- Riot 94
- interjection 8
- Hint 99
- gold medal 50
- apprentice 106
- keen 517
- disobedience 109
- endurance 156
- mailroom 5
- Violate 143
- pull 182
- Outburst 84
- action-packed 49
- propose 461
- deliberation 269
- swipe 342
- legume 5
- Disturb 187
- automatic transmission 78
- factory 1083
- thorough 405
- flotsam 98
- Solution 86
- leave 886
- consume 611
- Exploration 227
- look to 48
- Originally 79
- mixture 440
- strategy game 24
- vibration 359
- answer 219
- brute 373
- dossier 262
- Misconduct 106
- useless 396
- laburnum 6
- dedicated 224
- pretty 552
- Disrespect 68
- bipolar disorder 33
- impoverish 123
- CHEW 57
- Sacking 139
- meltdown 63
- upstart 64
- fall to 104
- Rebut 42
- imploring 3
- scrubber 128
- notably 52
- time signature 51
- marine 505
- get along 68
- borrow 277
- Clear 457
- isomer 4
- brainy 66
- the eurozone 44
- amazement 84
- positive 369
- Come in 18
- transmit 326
- late 185
- full 627
- diwali 41
- insult 374
- medicament 5
- retire 510
- Line 325
- Down syndrome 113
- death toll 67
- caprice 86
- rarely 489
- startle 505
- longevity 42
- Intrigue 184
- Unacceptable 147
- Excessive 376
- entanglement 81
- nasturtium 6
- insular 8
- combination 582
- flash freeze 44
- mistrial 9
- implacable 5
- laden 8
- detached 568
- entrepreneurial 48
- rhapsodize 48
- Never 26
- lodger 4
- umbrella 154
- down under 45
- spade 423
- Toaster 95
- Expedite 75
- overemphasis 9
- Adventurous 1079
- buffoon 34
- Unable 178
- alphanumeric 46
- party 147
- wealth 902
- unconscious 586
- Encourage 406
- individuate 7
- intrude 97
- dirty 367
- Dissipated 40
- Install 200
- a penny for your thoughts 37
- misspend 8
- accent 760
- complacent 217
- monotonous 83
- Question 335
- Devotion 111
- Dinner 70
- Sustainable 112
- keyboardist 7
- herbaceous 6
- tram 453
- death 732
- habit 1168
- whose 48
- organization 343
- intrusive 47
- rumbling 172
- ruin 551
- salesman 506
- a nasty business 58
- Sorrow 797
- eyeball 75
- apologize 390
- forefoot 50
- Not in agreement 42
- cent 315
- Oxygen 301
- hols 7
- nickname 232
- toucan 74
- Complete 263
- incisor 5
- Grade 165
- ibuprofen 6
- detrimental 183
- shock 751
- estimate 595
- baby boomer 44
- robust 137
- discriminating 96
- Class 1256
- perk 335
- rubbish 1085
- stare 716
- appellate 58
- mishap 30
- top 833
- mansplain 6
- shake 737
- orangery 5
- biorhythm 41
- eastern 330
- get about 59
- concert 697
- crowdfunding 81
- bask 47
- makeover 108
- heartburn 7
- communism 370
- herd 582
- banana skin 70
- Similar 93
- bungalow 235
- uncommon 214
- iou 7
- Important and powerful person or people 66
- futurology 39
- road 1221
- fictionalize 110
- snub 165
- infringe 120
- amoeba 55
- ghetto 95
- handball 5
- leaker 4
- gnarly 5
- mien 6
- Oceania 244
- arvo 96
- ocher 13
- Basis 191
- luge 6
- mismatch 21
- diagnosis 172
- normally 311
- bona fides 61
- landless 105
- peruvian 6
- dyke 61
- cardio- 11
- Deprive 105
- frost 287
- Bird 199
- Snake 215
- phenotype 9
- disenchantment 71
- nebbish 7
- well worn 42
- paratha 10
- astronaut 422
- undermine 167
- Imaginative 39
- whereas 308
- balance 1693
- buoyancy 40
- jag 6
- mailer 6
- Starch 44
- hereto 10
- jeer 145
- Nigger 30
- germanium 78
- indigent 4
- leery 9
- investigate 436
- doting 81
- hamper 303
- Might 288
- Picturesque 148
- Regard 1072
- look around 76
- operable 10
- loyal 444
- shadow 669
- wilful 18
- mundane 156
- Approving 26
- cotton 427
- STRIKE 54
- equivocate 46
- degree 831
- by product 73
- boil over 78
- Wanting 35
- inmost 9
- overdrive 12
- pale 620
- baggage car 57
- trigger 348
- tight 384
- indefinite 306
- irresistible 56
- companionship 80
- shibboleth 42
- Supervision 127
- Interference 17
- novelist 153
- court of law 57
- oration 21
- Aroma 112
- Foreign 184
- Addict 331
- death trap 95
- canticle 10
- monkey 372
- Spanish 435
- negress 13
- civvies 38
- tiny 472
- lop 5
- unfairness 64
- neuter 8
- Legacy 245
- ides 7
- helix 7
- make for 262
- not in the slightest 25
- earthling 50
- weave something into something 62
- iso 7
- carapace 52
- timeline 88
- green belt 69
- unworthy 137
- Imagery 115
- futsal 6
- fire 1830
- upgrade 95
- possibility 643
- summarize 356
- afk 9
- men 8
- against 374
- Disobey 60
- dosshouse 45
- bard 84
- thank 106
- reverberate 307
- royalty 48
- daring 407
- PIN 25
- automaker 42
- access 668
- minivan 98
- eye up 82
- moneybox 11
- baccy 60
- fastener 84
- ocker 4
- result 1157
- Jockey 46
- Return 741
- distinguished 150
- repair 502
- dither 158
- chloroform 52
- mask 737
- Marshy 77
- Ascent 144
- front-line 85
- filmstrip 30
- countertop 74
- Topic 39
- cashier 56
- witness 430
- onomatopoeia 7
- pen 39
- crumble 145
- amuse 484
- bonzer 72
- sore 408
- fare 471
- sweet 215
- councilman 70
- Ascertain 28
- charge nurse 52
- deliberate 306
- nookie 6
- marxist 4
- ministry 375
- typical 486
- girlfriend 139
- checker 42
- bame 15
- peasant 265
- cramp 407
- impersonate 121
- exaggeration 231
- henna 4
- ire 5
- hoodlum 3
- croft 54
- housekeeping 6
- offending 6
- warn 335
- homeopathic 7
- CD player 65
- Guffaw 58
- peerage 10
- Strong 273
- acas 14
- conquest 388
- Migrate 246
- premium 242
- mestizo 11
- Incline 93
- knowledge 628
- Queue 247
- inflationary 4
- occultation 8
- houseroom 4
- boost 797
- pageant 97
- barely 507
- parental 12
- moderate 676
- Prepositions thesaurus 33
- though 557
- Railway 389
- Qualified 45
- harmonize 6
- howdah 6
- mural 6
- mature 813
- interdepartmental 8
- easter 78
- metadata 11
- actualize 12
- hydrophobia 6
- homily 6
- mute 344
- dauntless 50
- paraplegic 9
- avoirdupois 6
- lingo 78
- manx 10
- Judgement 90
- gentleman 623
- interloper 10
- recapture 78
- first name 94
- communication 510
- vie 45
- corneal 45
- consequence 432
- assumed name 124
- adequate 420
- Rift 22
- intercom 8
- lawsuit 28
- claim 882
- reptilian 73
- parkour 8
- adrenalin 134
- my 33
- wax 434
- Possessive 32
- r 56
- garden apartment 28
- channeling 52
- gratifying 66
- notable 141
- porch 515
- mirth 9
- lazybones 7
- ratchet 98
- sadly 354
- beetroot 53
- sitting 12
- crux 300
- anagram 45
- hasty 504
- lethal 167
- incipient 31
- Extol 22
- reptile 68
- trade 871
- approximant 15
- faggot 55
- Veil 4
- simultaneous 134
- avionics 49
- manner 712
- tan 507
- Eradicate 213
- vagabond 103
- museum 546
- deflect 168
- Canon 45
- Founder 127
- grandparent 55
- swift 416
- anomalous 81
- rude 542
- laddish 4
- Donation 97
- calculation 459
- drop away 42
- compulsion 287
- splash 672
- hawkish 4
- democracy 367
arduous
adjective 
/ˈɑː(r)djuəs/
/ˈɑː(r)djuəs/ - extremely difficult and involving a lot of effort 艰巨的；费力的
an arduous task 艰巨的任务
The journey was long and arduous. 旅途漫长而艰苦。
Synonyms and related wordsDifficult to do and involving a lot of effort: difficult, hard, tough...
derived word
arduously
adverb Synonyms and related words
Difficult to do and involving a lot of effort: difficult, hard, tough...
arduous adj.
⇨ hard
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