hairshirt
Pronunciation:
/ˈhɛəʃɜːt//ˈhɛɹʃɝt/noun
Definitions
A shirt made of haircloth; a cilice; especially one worn by ascetics or the penitent
A state of penitence and humility.
adjective
Definitions
Advocating or adopting a relatively ascetic lifestyle, especially for environmentalist reasons.