unwahrscheinlich
Translation
unlikely, improbable, implausible
Examples
Es ist unwahrscheinlich, dass es heute regnet.
It's unlikely that it will rain today.
Er erzählte eine unwahrscheinliche Geschichte.
He told an improbable story.
Grammar Patterns
It is unwahrscheinlich, that ... It is unlikely that ... Es ist unwahrscheinlich, dass er kommt.
as an adjective before a noun an unwahrscheinliche excuse
Similar Words
Synonyms: improbable, implausible; Antonyms: likely, probable, certain
Etymology
Composed of un- (not) + wahrscheinlich (probable/likely). So, 'not probable'.
Memory Tips
Think of it as 'un-true-seeming'. 'Un-' means not, 'wahr' is true, and 'scheinlich' relates to seeming. If it doesn't seem true, it's unlikely.