Behind
Part of speech: preposition
Definition: at the back of to the back of after, time- or motion-wise responsible for in support of
Part of speech: noun
Definition: the rear, back-end bottom, downside butt, the buttocks A 1 point score. an 1800s baseball term meaning the catcher
Part of speech: adverb
Definition: At the back part; in the rear. Toward the back part or rear; backward; as, to look behind. Not yet brought forward, produced, or exhibited to view; out of sight; remaining. Backward in time or order of succession; past. After the departure of another; as, to stay behind.
Example sentence: Don't waste time on jealousy. Sometimes you're ahead, sometimes you're behind.
Slow
Part of speech: verb
Definition: To make (something) run, move, etc. less quickly; to reduce the speed of.To keep from going quickly; to hinder the progress of.To become slow; to slacken in speed; to decelerate.
Part of speech: adjective
Definition: Taking a long time to move or go a short distance, or to perform an action; not quick in motion; proceeding at a low speed.Not happening in a short time; spread over a comparatively long time.Of reduced intellectual capacity; not quick to comprehend.Not hasty; not precipitate; lacking in promptness; acting with deliberation.Behind in time; indicating a time earlier than the true time.Lacking spirit; deficient in liveliness or briskness.
Part of speech: noun
Definition: Someone who is slow; a sluggard.A slow song.
Part of speech: adverb
Definition: Slowly (usually in combinations).
Example sentence: To build may have to be the slow and laborious task of years. To destroy can be the thoughtless act of a single day.