IRRESPIRABLE
Ir*res"pi*ra*ble, a. Etym: [L. irrespirabilis: cf. F. irrespirable.
See Respirable.]

Defn: Unfit for respiration; not having the qualities necessary to support animal life; as, irrespirable air.

IRRESPONSIBILITY
Ir`re*spon`si*bil"i*ty, n. Etym: [Cf. F. irresponsabilité.]

Defn: Want of, or freedom from, responsibility or accountability.

IRRESPONSIBLE Ir`re*spon"si*ble, a. Etym: [Pref. ir- not + responsible: cf. F. irresponsable.]

1. Nor responsible; not liable or able to answer fro consequences; innocent.

2. Not to be trusted; unreliable.

IRRESPONSIBLY
Ir`re*spon"si*bly, adv.

Defn: So as not to be responsible.

IRRESPONSIVE
Ir`re*spon"sive, a.