1 live, exist:
She believes that there never breathed a wiser man than her father.
2 inhale and exhale, respire, suspire:
He was breathing regularly.
3 exhale, expel, puff, blow:
The banner depicts a dragon breathing fire.
4 whisper, murmur, hint (at), suggest, tell, speak, say:
She told me not to breathe a word of it to anybody.