hawk
vb
1 bark (informal) cry, market, peddle, sell, tout (informal) vend
2 (often with)
about bandy about (informal) bruit about, buzz, noise abroad, put about, retail, rumour
hawk-eyed
Argus-eyed, gimlet-eyed, having eyes in the back of one's head (informal) keen sighted, lynx-eyed, observant, perceptive, sharp-eyed, vigilant