Synonyms: fallible
Definition: likely to fail or make errors
Usage: everyone is fallible to some degree
Similar words: errant
Definition: straying from the right course or from accepted standards
Usage: errant youngsters
Similar words: erring, error-prone
Definition: capable of making an error
Usage: all men are error-prone
Similar words: undependable, unreliable
Definition: liable to be erroneous or misleading
Usage: an undependable generalization
Similar words: weak
Definition: likely to fail under stress or pressure
Usage: the weak link in the chain
Synonyms: fallible, frail, imperfect, weak
Definition: wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings
Usage: I'm only a fallible human; frail humanity
Similar words: human
Definition: having human form or attributes as opposed to those of animals or divine beings
Usage: human beings; the human body; human kindness; human frailty