Disadvantages of an unwritten constitution are: (i)It can be manipulated by political leaders.
(ii) It may lead to emergence of dictatorship.
(iii) It deprives citizens from knowing their rights and duties.
(iv) Lack of codification of 10 fundamental rights of citizens undermines the ability to seek redress when rights are violated.
(v) It creates ambiguities which can lead to general misinterpretations.
(vi) It is not suitable for multi-ethnic/multi racial societies.
(vii) It does not make for easy reference/study.
(viii) Not easy to ascertain unconstitutional acts.
(ix) Possible emergence of conflicts among the organs of government due to none definition of their roles and powers.