| 1 | Bizarre | /bɪˈzɑːr/ | adj | Very strange or unusual |
| 2 | Boast | /boʊst/ | v | Show off |
| 3 | Brainwave | /ˈbreɪnweɪv/ | n | Electrical activity generated by someone's brain |
| 4 | Button | /ˈbʌtən/ | n | Often round object used for fastening two pieces of fabric together |
| 5 | Buzz | /bʌz/ | n | Make a continuous, low, humming sound |
| 6 | By-product | /ˈbaɪˌprɒdʌkt/ | n | Something that is produced as a result of making something else |
| 7 | Composition | /ˌkɒmpəˈzɪʃən/ | n | A piece of music that someone has written |
| 8 | Contest | /ˈkɒntest/ | n | A competition to do better than other people |
| 9 | Densely | /ˈdensli/ | adv | With a lot of things close together |
| 10 | Dominant | /ˈdɒmɪnənt/ | adj | More important, strong, or noticeable |
| 11 | Excrete | /ɪkˈskriːt/ | v | To get rid of wastes (like bacteria) from the body |
| 12 | Follicle | /ˈfɒlɪkəl/ | n | Very small holes in the skin, especially one that a hair grows from |
| 13 | Form | /fɔːrm/ | v | sort, type |
| 14 | Groggy | /ˈɡrɒɡi/ | adj | Weak and unable to think clearly or walk correctly |
| 15 | Ground | /ɡraʊnd/ | v | Forbid someone from going out as a punishment |
| 16 | Hideout | /ˈhaɪdaʊt/ | n | A secret place where someone can go when they do not want to be found by others |
| 17 | Inconsistency | /ˌɪnkənˈsɪstənsi/ | n | A situation in which two things do not match and are opposed |
| 18 | Itchy | /ˈɪtʃi/ | adj | Having or causing an itch |
| 19 | Lens | /lenz/ | n | A curved glass that helps you see things better by focusing light |
| 20 | Mindboggling | /ˈmaɪndbɒɡlɪŋ/ | adj | Extremely surprising |
| 21 | Monk | /mʌŋk/ | n | A person who lives in a monastery, focusing on prayer |
| 22 | Munch | /mʌntʃ/ | v | To eat something |
| 23 | Painstakingly | /ˈpeɪnzteɪkɪŋli/ | adv | (Doing something)with a lot of attention and care |
| 24 | Presumably | /prɪˈzjuːməbli/ | adv | I suppose; likely |
| 25 | Proper | /ˈprɒpər/ | adj | Correct; real; suitable |
| 26 | Random | /ˈrændəm/ | adj | Happening, done or chosen without method; unpredictable |
| 27 | Recurring | /rɪˈkɜːrɪŋ/ | adj | Happening repeatedly |
| 28 | Refuse | /rɪˈfjuːz/ | v | waste, rubbish |
| 29 | Rehearse | /rɪˈhɜːrs/ | v | Practise something, such as music, in order to prepare for a public performance |
| 30 | Sack | /sæk/ | v | Fire someone from a job; make someone redundant |
| 31 | Scabies | /ˈskeɪbiːz/ | n | A skin disease that causes your skin to become rough and uncomfortable |
| 32 | Signal | /ˈsɪɡnəl/ | n | (a message, a warning or an order) |
| 33 | Species | /ˈspiːʃiːz/ | n | A kind or sort |
| 34 | Swat | /swɒt/ | v | Hit something with a flat object or your hand |
| 35 | Tedious | /ˈtiːdiəs/ | adj | Long and boring |
| 36 | Tense | /tens/ | adj | Make your body or muscles tight and stiff |
| 37 | Transcribe | /trænsˈkraɪb/ | v | To make a complete written record of spoken or written words |
| 38 | Trick | /trɪk/ | v | Deceive someone |
| 39 | Urgently | /ˈɜːrdʒəntli/ | adv | In a way requires immediate action or attention |
| 40 | Vast | /vɑːst/ | adj | Extremely big |