Here you are a vocabulary wordlist for your FCE on personality. Remember that this list is not closed, you can add other words you consider relevant to this topic, but you can start working with it. You'll also find the phonetic alphabetic transcription to learn the spelling and the pronunciation at the same time.
Adjectives aggressive /əˈɡresɪv/
ambitious /æmˈbɪʃəs/
arrogant /ˈærəɡənt/
bad-tempered /ˌbædˈtempəd/
bossy /ˈbɒsi/
cheerful /ˈtʃɪəfəl/
(in)considerate /kənˈsɪdərət/
courageous /kəˈreɪdʒəs/
determined /dɪˈtɜːmɪnd/
devoted /dɪˈvəʊtɪd/
easy-going /ˈiːzɪˌɡəʊɪŋ/
energetic /ˌenəˈdʒetɪk/
generous /ˈdʒenərəs/
gentle /ˈdʒentl/ graceful /ˈɡreɪsfəl/
hard-working /ˈhɑːdˌwɜːkɪŋ/
(dis)honest /ˈɒnɪst/
hopeless /ˈhəʊplɪs/
(un)imaginative /ɪˈmædʒɪnətɪv/
(un)kind/kaɪnd/
lazy /ˈleɪzi/ lively /ˈlaɪvli/ mean /miːn/ modest /ˈmɒdɪst/
outgoing /ˈaʊtɡəʊɪŋ/
(im)patient /peɪʃnt/
(im)polite /pəˈlaɪt/
(un)popular /pɒpjʊlə/
(un)reliable /rɪˈlaɪəbl/
rude /ruːd/ selfish /ˈselfɪʃ/
sensitive /ˈsensətɪv/
sensible /ˈsensəbl/
self-confident /selfˈkɒnfɪdənt/
shy /ʃaɪ/ stubborn /ˈstʌbən/
sympathetic /ˌsɪmpəˈθetɪk/
talented /ˈtæləntɪd/
talkative /ˈtɔːkətɪv/ tense /tens/ thoughtful /ˈθɔːtfəl/
thoughtless /ˈθɔːtləs/
relaxed /rɪˈlækst/ versatile /ˈvɜːsətaɪl/ Hope you find it useful !