mutandus

Future passive participle (gerundive) of mūtō (“move, change”).

mūtandus (feminine mūtanda, neuter mūtandum); first/second-declension participle

1. which is to be moved, which is to be removed
2. which is to be altered, which is to be changed, which is to be modified, which is to be transformed
3. which is to be varied, which is to be diversified
4. which is to be mutated, which is to be spoiled
5. which is to be exchanged, which is to be bartered
6. which is to be forsaken

First/second-declension adjective.