parallel world
noun
A fictional or hypothesized world held to exist alongside or in addition to the known world.
Origin
1930s.
- one-liner
- one-lunger
- one-man
- one-man band
- one-man operated
- one-man show
- one man's meat is another man's poison
- one moment (or just a moment)
- one nation
- on end
- oneness
- one-night
- one-nighter
- one-night stand
- one-note
- one of a kind
- one-off
- one of these days
- one of those days
- one of us
- one-old-cat
- one-one
- one-on-one
- one or another (or the other)
- one (or a) step at a time