преждевременный angolul

premature▼(occurring before a state of readiness or maturity)
adjective
[UK: ˈpre.mə.tjʊə(r)] [US: ˌpri.mə.ˈtʃʊr]

proleptic▼(having been assigned too early a date)
adjective
[UK: prəʊlˈeptɪk] [US: proʊlˈeptɪk]

untimely▼(early; premature)
adjective
[UK: ʌn.ˈtaɪm.li] [US: ʌn.ˈtaɪm.li]