ir·res·pi·ra·ble 
(ĭ-rĕspər-ə-bəl, ĭr′ĭ-spīr-)
(ĭ-rĕspər-ə-bəl, ĭr′ĭ-spīr-)adj.
Not fit for breathing; not respirable.
- hold a gun to someone's head
- holdall
- hold back
- holdback
- hold down
- hold-down
- holden
- hold end up
- holder
- holdfast
- hold feet to the fire
- hold forth
- hold horses
- holding
- holding company
- holding pattern
- hold/keep (one's) end up
- hold off
- hold on
- hold one's end up
- hold (one's) horses
- hold one's horses
- hold (one's) own
- hold one's own
- hold one's peace