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- cheapo 49
- ghost 853
- remote 441
- escapologist 51
- vegetable 147
- acceptable 515
- glitter 448
- Restriction 243
- moth 74
- result in sth 53
- nosy 37
- Quick 225
- addition 364
- Signal 993
- bitumen 57
- invisible 509
- Artifact 101
- fundamentals 201
- somersault 136
- rollover 4
- Council 174
- tray 392
- continuous 536
- Release 238
- Service 223
- southernmost 33
- indefinite 324
- cold storage 92
- Solely 27
- spliff 4
- mosh pit 83
- gas chamber 60
- toot 7
- dissolve 458
- au fait 70
- nectarine 71
- Contrast 344
- aware 459
- togo 3
- biltong 88
- honourable 391
- summary 447
- squad 263
- Film 400
- stateroom 4
- Proofread 123
- CONVEY 35
- complicate 379
- wrong 512
- Hawk 23
- lime 549
- Fell 133
- molecule 356
- pump 648
- skillful 289
- barn dance 65
- cooker 53
- facilitate 197
- burn out 84
- Strain 131
- sonata 5
- Chance 486
- waif 178
- question 863
- Trainee 194
- sun 268
- Sleep 309
- facsimile 75
- example 1580
- Exam 202
- lead off 73
- cod-liver oil 72
- chaparral 61
- brass 620
- socio- 5
- alternation 57
- Closing 134
- house husband 9
- unacknowledged 2
- Conspicuous 133
- seduce 158
- bagman 67
- electrified 44
- spiteful 24
- phase 604
- plebeian 4
- deaf mute 42
- richly 2
- aftereffect 59
- deafen 131
- path 1212
- due diligence 84
- role 1332
- on the ball 55
- node 103
- sadism 3
- Title 165
- reach 579
- wine 324
- Value 535
- melancholy 151
- shot 434
- past 1834
- impulse 104
- slip 787
- excitement 675
- taskmaster 4
- comic strip 65
- Cope 260
- bullwhip 66
- committee 505
- Settle 152
- version 650
- Wizard 16
- cut into 24
- secluded 47
- Rider 52
- Fall down 78
- blood 695
- Blazing 83
- cave 588
- Genetic 84
- stand up 132
- brainwash 72
- deputy 458
- hopeful 454
- footle 47
- Insensitive 265
- tombstone 3
- wound 1661
- antonym 68
- electrocardiogram 58
- Weakness 149
- cosmology 58
- communication 533
- eye up 86
- Counteract 109
- impracticable 140
- confederacy 54
- edgeways 38
- Surely 66
- lorry 363
- Instruction 447
- materialism 417
- treasure 511
- Touch 244
- Biodiversity 51
- cuddle 82
- cucumber 315
- spotlight 197
- Arabic numeral 23
- triumvirate 4
- Pig 209
- glucose 66
- struggle 968
- civil servant 92
- timetable 537
- splash 698
- fwiw 53
- Wave 383
- descant 56
- haemorrhage 81
- Automatic 44
- blow-up 197
- Equine 163
- environmentalist 83
- wrought iron 85
- perigee 54
- aura 121
- opening 507
- crown 350
- Happening 100
- free spirit 65
- mainline 9
- campy 56
- costal 96
- Infuriate 148
- allegory 82
- Creditworthiness 14
- thick 371
- Court of Appeal 58
- pest 476
- Porcelain 29
- caliber 61
- behave 801
- jump-start 51
- knot 691
- mellow 122
- digital 1303
- First 59
- decree 244
- In place 19
- liturgy 18
- tighten 578
- gathering 207
- illustration 555
- death warrant 89
- amber fluid 14
- puff 867
- catalyze 257
- Sort 373
- tart 165
- graph paper 56
- waterproof 403
- biologist 58
- agent 2659
- exclusion 51
- Assist 173
- confusing 194
- fashion 890
- interchangeable 103
- qualify 581
- twat 201
- invent 682
- damper 110
- jacket 495
- preserve 423
- compound interest 63
- fought 90
- rename 2
- minority 491
- seafood 4
- pay tv 61
- fiendish 70
- injury 697
- work off 95
- leadership 453
- Confused 125
- further education 61
- applause 444
- Scratch 76
- Threaten 430
- frigate 90
- paediatrics 17
- green card 216
- dictate 736
- continental 50
- flycatcher 60
- Keyboard 98
- excavator 87
- Gallup poll 52
- base 608
- aggrieved 79
- dawn 491
- exercise book 66
- times 175
- package 1053
- faculty 607
- briny 46
- Cycle 56
- Wealth 46
- blast 475
- fiction 610
- trade 879
- variety 412
- Diversification 129
- reading 413
- sincerely 143
- expense account 49
- swazi 4
- fire sale 66
- Proceedings 93
- LULL 23
- unwise 72
- as soon as 57
- environmental 117
- organization 352
- crofter 105
- typical 495
- back channel 71
- citizen 467
- furnished 58
- lean 1124
- Lie 142
- favor 541
- Institution 537
- Deplete 57
- jeer 155
- Partly 33
- fiend 102
- tied 31
- ducky 126
- forbear 68
- anion 75
- body armour 67
- torrential 65
- wake 250
- curve 1170
- Theme 121
- discussion group 22
- torn 661
- Landslide 169
- pop out 17
- island 419
- licence 645
- Ash 44
- bush 441
- setter 5
- mathematics 384
- off limits 56
- cookery book 92
- consume 631
- celebrate 371
- inferiority 21
- Hygienic 95
- goalkeeper 103
- hear 166
- elderly 374
- Bloody 40
- trifecta 96
- rotation 362
- Set 397
- Useless 44
- edit 283
- Okay 36
- caveat emptor 88
- populist 31
- interpretation 373
- belly laugh 64
- Building materials 21
- suddenly 264
- drive out 204
- Shoreline 127
- mysterious 447
- schmo 2
- plc 3
- die back 53
- back copy 62
- excursion 379
- Soldier 83
- forewarn 48
- gladden 85
- Reiterate 172
- Conclude 156
- empire 558
- falafel 61
- be 382
- glade 65
- Brunt 85
- Engine 197
- pressing 49
- director 966
- pragmatics 2
- venison 4
- tangy 110
- laundry 368
- charge 577
- electrocute 70
- bishopric 58
- apprentice 110
- tool 409
- underline 490
- bottle 263
- illness 1483
- carve out 47
- Via 107
- Character 129
- pathetic 137
- teeter 105
- interpreter 331
- Liberalize 214
- costume party 27
- felonious 42
- sign 1132
- ruler 648
- certain 433
- twinkle 488
- plenty 865
- herb 208
- betrayal 198
- second 247
- baking sheet 56
- Trap 252
- undignified 78
- pull out 123
- deny 396
- fairy godmother 99
- filter 501
- calling 87
- counsel 283
- sovereignty 396
- Beautiful 293
- cyclamen 32
- former 328
- gazpacho 101
- OPPOSITE 47
- onion 336
- golden jubilee 74
- well-documented 54
- brexit 14
- result 1195
- Virginity 216
- colon 50
- Campaign 635
- typhoon 388
- wired 24
- political 402
- scrappy 109
- silence 1624
- protein 778
- kill 427
- parity 78
- e-commerce 46
- Wonder 233
- Relative 395
- Paranoid 55
- assemble 321
- Window 124
- go in 83
- constituent 122
- Lecture 313
- under someone's sway 52
- stewardess 389
- sex tourism 18
- wrap 421
- sketchy 62
- upbringing 101
- coast 1496
- sow 344
- characterize 267
- harvest 915
- Aggressive 231
- penguin 82
- put 834
- magic 626
- efficient 470
- Thoroughly 226
- astronaut 464
- procedure 368
- swarm 336
- Mental 146
- Breakfast 45
- not 134
- reform 2208
- closed shop 54
- e-cigarette 42
- primary 428
- continuum 56
- evil 612
- decade 439
- itinerary 167
- badge 103
- bachelor 463
- Wish 214
- daemon 100
- lake 132
- disabled 262
- suit 504
- anther 83
- wonderful 428
- EMPTY 256
- be blessed with something 28
- rotary 340
- MEDITATION 39
- evangelist 189
- Conversation 392
- get in with 87
- Certain about something 97
- macroeconomics 230
- MINUTE 48
- fruit fly 96
- drawer 948
- dust jacket 53
- choke 495
- booze 71
- Mortgage 42
- material 837
- Subtotal 87
- ruin 571
- mirror 664
- salon 117
- family 728
- refer 329
- Enable 178
- heyday 74
- Worthwhile 41
- temple 460
- lie in 71
- Shred 78
- Sector 452
- conceptually 114
- importance 584
- separate 656
- valid 568
- in place 83
- rise 620
- explorer 190
- pry 36
- run by 190
- hidebound 25
- colony 377
- haste 528
- reader 524
- doo-doo 31
- disquiet 67
- liquid 464
- symptom 374
- prompt 531
- flower arranging 67
- occur 482
effectiveness
★
★
noun [U] 
/ɪˈfektɪvnəs/
/ɪˈfektɪvnəs/- the degree to which something works well and produces the result that was intended
The effectiveness of this drug was checked through clinical trials.
These recommendations are aimed at improving effectiveness and efficiency.
Synonyms and related wordsUsefulness and efficiency:usefulness, efficiency, effectiveness...
noun
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