over-expectation

noun

1. the act or the state of expecting: to wait in expectation.
2. the act or state of looking forward or anticipating.
3. an expectant mental attitude: a high pitch of expectation.
4. something expected; a thing looked forward to.
5. Often expectations. a prospect of future good or profit: to have great expectations.
6. the degree of probability that something will occur: There is little expectation that he will come.
7. Statistics. mathematical expectation.
8. the state of being expected: a large sum of money in expectation.

noun

1. the act or state of expecting or the state of being expected
2. (usually plural) something looked forward to, whether feared or hoped forwe have great expectations for his future; their worst expectations
3. an attitude of expectancy or hope; anticipationto regard something with expectation
4. statistics
   1. the numerical probability that an event will occur
   2. another term for expected value

n.1530s, from Middle French expectation (14c.) or directly from Latin expectationem/exspectationem (nominative expectatio/exspectatio) “anticipation, an awaiting,” noun of action from past participle stem of expectare/exspectare (see expect). Related: Expectations.