Immediate
Part of speech: adjective
Definition: happening right away, instantly, with no delay Very close; direct or adjacent.
Example sentence: Tolerance it a tremendous virtue, but the immediate neighbors of tolerance are apathy and weakness.
Straightaway
Part of speech: adjective
Definition: extending into the distance in a straight line.
Part of speech: adverb
Definition: At once; immediately.
Part of speech: noun
Definition: A straight section of a racetrack.