нерешен означава в английски

pending▼(awaiting a conclusion or a confirmation)
adjective
[UK: ˈpend.ɪŋ] [US: ˈpend.ɪŋ]

undecided▼(open and not yet settled or determined)
adjective
[UK: ˌʌn.dɪ.ˈsaɪ.dɪd] [US: ˌʌn.də.ˈsaɪ.dəd]

unresolved▼(not resolved)
adjective
[UK: ˌʌn.rɪ.ˈzɒlvd] [US: ən.rə.ˈzɑːlvd]

unsolved▼(not yet solved)
adjective
[UK: ʌn.ˈsɒlvd] [US: ʌn.ˈsɑːlvd]