gap

(noun) a conspicuous disparity or difference as between two figures. Synonyms: spread. Examples: "Gap between income and outgo." "The spread between lending and borrowing costs."

(noun) an open or empty space in or between things. Synonyms: opening. Examples: "There was a small opening between the trees." "The explosion made a gap in the wall."

(noun) a narrow opening. Synonyms: crack. Example: "He opened the window a crack."

(noun) a pass between mountain peaks. Synonyms: col.

(noun) a difference (especially an unfortunate difference) between two opinions or two views or two situations.

(noun) an act of delaying or interrupting the continuity. Synonyms: break, interruption, disruption. Examples: "It was presented without commercial breaks." "There was a gap in his account."

(verb) make an opening or gap in. Synonyms: breach.