- 2Signification: irregularrandom inconsistent unpredictable wandering erratic
- 3Signification: eccentricqueer odd unpredictable unusualconfused demented erratic
- 4Signification: accidentalchance unforeseen unexpected fortuitousuncertain unpredictable contingent
- 5Signification: uncertainunpredictable indeterminate unforeseen variableindefinite unfixed incalculable