leaved open-mouthed (verb) surprise: astonish; cause amazement
Detalii: amaze once meant 'alarm, terrify' but now means 'astonish'; surprise means 'meet with suddenly or without warning'
Sinonime: aloof,
callous,
calm,
casual, cold fish,
cool, easy-going, hard-boiled, hard-hearted,
impassive,
impervious,
laid-back*, not influenced,
proof,
steady, thick-skinned, unaltered,
unconcerned, unexcited, unimpressed, uninfluenced, unresponsive, unruffled, unstirred,
untouchedAntonime: affected,
changed,
moved, unnatural