the state of being disappointed

saddening situation; let-down

difference; absence of agreement

conflict, disagreement

a mistake; the state of being wrong in belief or behaviour

mistake; wrong

a false or mistaken belief; false reasoning or argument

illusion, misconception

(an instance of) being inaccurate

error, erroneousness

(an instance of) bad luck

unpredictable outcome

a wrong opinion, idea or act because of wrong information, lack of ability or skill etc

error, misunderstanding

a statement or conclusion that does not (seem to) have any connection to what was said or written before

fallacy

done, happening, without warning; (the feeling caused by) something sudden or unexpected

something amazing; state of amazement