S: (v) change, alter, modify (cause to change; make different; cause a transformation) "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"
S: (adj) unfit (below the required standards for a purpose) "an unfit parent"; "unfit for human consumption"
S: (adj) unfit (not in good physical or mental condition; out of condition) "fat and very unfit"; "certified as unfit for army service"; "drunk and unfit for service"