Related Clues:

• ''To ___ is human ...''
• Bark up the wrong tree, e.g.
• It may be marked with an X
• Trip or slip
• Make faux pas
• Miss, say
• Veer off course
• Miss a turnoff, e.g.
• Make a flub
• Be off the mark
• Make a wrong choice, e.g.
• Trip or slip, e.g.
• Be on the side of caution?
• Exhibit poor judgment, perhaps
• Do something boneheaded