someday

UK: ˈsʌm.deɪ | US: ˈsʌm.deɪ

Definition
  1. adv. at some unspecified time in the future

  2. adv. eventually; one day

Structure
some <unspecified>day <24-hour period>
Etymology

The word "someday" is a straightforward compound of "some" (indicating an unspecified or indefinite quantity/time) and "day" (referring to a 24-hour period). It emerged in Middle English, combining these two common words to express the idea of an indefinite future time. The logic is intuitive: "some" softens the specificity of "day," creating a vague but hopeful reference to the future. Unlike more complex etymologies, this compound retains its literal meaning without significant semantic shift.

Examples
  1. Someday, I hope to travel the world.

  2. She dreams of becoming a famous writer someday.

  3. Maybe someday we’ll meet again.

  4. He promised to repay the money someday.

  5. Someday, technology will solve these problems.