- Self-confidence or assurance, especially when in a demanding situation: Diana passed the test with aplombMore example sentences
- The Laois girls captured the honours with some degree of aplomb and assurance.
- He went on converting everything, most of them from the most difficult angles with a nerve and aplomb which was simply icy.
- He converted the penalty with aplomb to settle his nerves and give the home side the start they wanted.
late 18th century (in the sense 'perpendicularity, steadiness'): from French, from à plomb 'according to a plummet'.