едностранен angolul

one-sided▼(having only one side)
adjective
[UK: ˌwʌn.ˈsaɪd.ɪd] [US: ˌwʌn.ˈsaɪd.ɪd]

unilateral▼(done by one side only)
adjective
[UK: ˌjuː.nɪ.ˈlæ.trəl] [US: ˌjuː.nə.ˈlæ.tə.rəl]