непостоянный angolul

changeable▼(subject to sudden or frequent changes)
adjective
[UK: ˈtʃeɪn.dʒə.bəl] [US: ˈtʃeɪn.dʒə.bəl]

changeful▼(changing frequently)
adjective
[UK: ˈtʃeɪndʒ.fəl] [US: ˈtʃeɪndʒ.fəl]

fickle▼(quick to change one’s opinion or allegiance)
adjective
[UK: ˈfɪk.l̩] [US: ˈfɪk.l̩]

giddy [giddier, giddiest]▼(feeling a sense of spinning in the head, causing a perception of unsteadiness and being about to fall down, see also: dizzy)
adjective
[UK: ˈɡɪ.di] [US: ˈɡɪ.di]

haphazard▼(random, chaotic, incomplete)
adjective
[UK: hæp.ˈhæ.zəd] [US: hæp.ˈhæ.zərd]

inconsistent▼(not consistent)
adjective
[UK: ˌɪnk.ən.ˈsɪ.stənt] [US: ˌɪnk.ən.ˈsɪ.stənt]

inconstant▼(not constant)
adjective
[UK: ɪnˈk.ɒn.stənt] [US: ɪnˈk.ɒn.stənt]

uncertain▼(fitful or unsteady)
adjective
[UK: ʌn.ˈsɜːt.n̩] [US: ʌn.ˈsɝː.tn̩]

unsteady▼(inconstant in purpose or volatile in behavior)
adjective
[UK: ʌn.ˈste.di] [US: ʌn.ˈste.di]

variable▼(able to vary)
adjective
[UK: ˈveə.rɪəb.l̩] [US: ˈve.riəb.l̩]

versatile▼(changeable or inconstant)
adjective
[UK: ˈvɜː.sə.taɪl] [US: ˈvɝː.sə.təl]

volatile▼(fickle)
adjective
[UK: ˈvɒ.lə.taɪl] [US: ˈvɑː.lə.təl]