убедителен означава в английски

cogent▼(forcefully persuasive)
adjective
[UK: ˈkəʊ.dʒənt] [US: ˈkoʊ.dʒənt]

conclusive▼(decisive)
adjective
[UK: kən.ˈkluː.sɪv] [US: kən.ˈkluː.sɪv]

convincing▼(effective as proof or evidence)
adjective
[UK: kən.ˈvɪns.ɪŋ] [US: kən.ˈvɪns.ɪŋ]

forcible▼(having a powerful effect)
adjective
[UK: ˈfɔː.səb.l̩] [US: ˈfɔːr.səb.l̩]

persuasive▼(convincing)
adjective
[UK: pə.ˈsweɪ.sɪv] [US: pər.ˈsweɪ.sɪv]

weighty [weightier, weightiest]▼(important; serious)
adjective
[UK: ˈweɪ.ti] [US: ˈweɪ.ti]

inconclusive▼(not leading to a conclusion)
adjective
[UK: ˌɪnk.ən.ˈkluː.sɪv] [US: ˌɪnk.ən.ˈkluː.sɪv]

lame [lamer, lamest]▼(slang: unconvincing)
adjective
[UK: leɪm] [US: ˈleɪm]

unconvincing▼(not convincing)
adjective
[UK: ˌʌnk.ən.ˈvɪns.ɪŋ] [US: ˌʌnk.ən.ˈvɪns.ɪŋ]