'Unless the strikers rally,' I declared to the meeting, 'and continue the strike till a settlement is reached, or till they leave the mills altogether, I will not touch any food.' The labourers were thunderstruck.
astonished, amazed or so suddenly surprised as to be unable to speak
Hyphenation
astonished, a·mazed or so sud·den·ly sur·prised as to be un·a·ble to speak