Meaning & Definition
noun
the state of expecting or anticipating something, particularly in terms of probability or hope for a future event.
The expectancy of a promotion kept her motivated at work.
a strong belief that something will happen or be the case.
There was a general expectancy of rain this weekend.
the expected value of a variable in probability theory.
In statistics, expectancy can help predict outcomes based on current data.
the condition of being in a state of expectation.
The expectancy in the audience was palpable as the concert was about to begin.
Etymology
From Latin 'expectantia', from 'expectare', meaning 'to look out for'.
Common Phrases and Expressions
expectancy value:
The anticipated value of a certain outcome, often used in decision-making contexts.
expectancy effect:
The phenomenon where a person's expectations influence their performance.
cultural expectancy:
The set of beliefs about what is expected in a particular cultural context.
Slang Meanings
The vibe or energy of waiting for something exciting.
There's a real expectancy vibe at the concert right now.
A sense that something good is about to happen.
I'm feeling some expectancy for the weekend plans.