someday

[ suhm-dey ]
/ ˈsʌmˌdeɪ /

adverb

at an indefinite future time.

Origin of someday

before 900; Middle English sum day, Old English sum dæg; see some, day

usage note for someday

The adverb someday is written solid: Perhaps someday we will know the truth. The two-word form some day means “a specific but unnamed day”: We will reschedule the meeting for some day when everyone can attend.

Example sentences from the Web for someday

British Dictionary definitions for someday

someday
/ (ˈsʌmˌdeɪ) /

adverb

at some unspecified time in the (distant) future