behind
This word carries a strong spatial orientation of occlusion and concealment. When something is behind another, it is often hidden from view or relegated to a secondary position of importance. It suggests a lack of visibility or a state of being followed.
In a temporal or professional sense, it evokes a feeling of pressure or failure. Being behind creates a psychological gap between where a person is and where they are expected to be, contrasting sharply with being ahead, which implies leadership or success.
Countable when referring to a person's posterior (a plump behind). Uncountable when used as a spatial preposition or adverb.
Meanings
Phrasal Verbs
fall behind
fail to keep up with a pace or schedule
The company fell behind its competitors in the race for innovation.
leave behind
forget to take something or abandon someone
I accidentally left my umbrella behind at the restaurant.
stay behind
remain in a place after others have left
The teacher asked the student to stay behind after class to discuss the grade.
get behind
support a person, idea, or project
The entire community decided to get behind the new library initiative.