This time Sigismondo had blundered; for the cause of Anjou was hopelessly ruined in Italy.
A huge walrus had just blundered through the sand castle party, wrecking hours of industry by the children.
While in the Rostovs' ballroom the sixth anglaise was being danced, to a tune in which the weary musicians blundered, and while tired footmen and cooks were getting the supper, Count Bezukhov had a sixth stroke.
At first we thought we 'd blundered on to a spaghetti western film set as the tumbleweed rolled by.
And the Atlantis exploration team, in their innocence blundered and woke up the Wraith hive ships.