болнав означава в английски

sickly [sicklier, sickliest]▼(frequently ill)
adjective
[UK: ˈsɪ.kli] [US: ˈsɪ.kli]

unwell▼(not well)
adjective
[UK: ʌn.ˈwel] [US: ʌn.ˈwel]

valetudinarian▼(of infirm health; sickly)
adjective
[UK: ˌvæ.lɪ.tjuː.dɪ.ˈneə.rɪən] [US: ˌvæ.lɪ.tjuː.dɪ.ˈneə.rɪən]

wan [wanner, wannest]▼(pale, sickly-looking)
adjective
[UK: wɒn] [US: ˈwɑːn]