additive 8 Associations

accumulative (similar term) cumulative (similar term) addable (similar term) addible (similar term) extra (similar term) additional (similar term) complemental (similar term)

unnecessary 11 Associations

unneeded excess (similar term) extra (similar term) redundant (similar term) spare (similar term) supererogatory (similar term) superfluous (similar term)

unneeded 8 Associations

unnecessary excess (similar term) extra (similar term) redundant (similar term) spare (similar term) supererogatory (similar term) superfluous (similar term)

unscheduled 11 Associations

extra (similar term) special (similar term) forced (similar term) unexpected (similar term) scheduled (antonym)