самоувереност означава в английски

assurance [assurances]▼(the state of being assured)
noun
[UK: ə.ˈʃɔː.rəns] [US: ə.ˈʃʊ.rəns]

confidence [confidences]▼(self-assurance)
noun
[UK: ˈkɒn.fɪ.dəns] [US: ˈkɑːn.fə.dəns]

self-assurance▼(state or quality of being confident in oneself)
noun
[UK: self ə.ˈʃʊə.rəns] [US: self ə.ˈʃʊə.rəns]

self-confidence▼(state of being self-confident)
noun
[UK: self ˈkɒn.fɪ.dəns] [US: ˈselfˈk.ɑːn.fə.dəns]