- s associated by chance and not an integral part
they had to decide whether his misconduct was adventitious or the result of a flaw in his character
- Basic reason for Poland's adventitious foreign policy is to be found not only in its geographical situation but also in its internal socio-political structure.
- The discovery of the diaries came at an adventitious moment (a fact that stirred cynical memories of similar "discoveries" about Irish rebels at an earlier date).
- Evolution is adventitious and not foresighted.