gap

American  

[gap] / gæp /

noun

1. a break or opening, as in a fence, wall, or military line; breach.

   We found a gap in the enemy's line of fortifications.

2. an empty space or interval; interruption in continuity; hiatus.

   a momentary gap in a siren's wailing; a gap in his memory.

   Synonyms:

   lull, interlude, break, interstice, pause

3. a wide divergence or difference; disparity.

   the gap between expenses and income; the gap between ideals and actions.

4. a difference or disparity in attitudes, perceptions, character, or development, or a lack of confidence or understanding, perceived as creating a problem.

   the technology gap; a communications gap.

5. a deep, sloping ravine or cleft through a mountain ridge.

6. Chiefly Midland and Southern U.S. a mountain pass.

   the Cumberland Gap.

7. Aeronautics. the distance between one supporting surface of an airplane and another above or below it.

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verb (used with object)

gapped, gapping

1. to make a gap, opening, or breach in.

verb (used without object)

gapped, gapping

1. to come open or apart; form or show a gap.

gap British  

/ ɡæp /

noun

1. a break or opening in a wall, fence, etc

2. a break in continuity; interruption; hiatus

   there is a serious gap in the accounts

3. a break in a line of hills or mountains affording a route through

4. a gorge or ravine

5. a divergence or difference; disparity

   there is a gap between his version of the event and hers

   the generation gap

6. electronics

   1. a break in a magnetic circuit that increases the inductance and saturation point of the circuit

   2. See spark gap

7. to remedy a deficiency

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verb

1. (tr) to make a breach or opening in

Other Word Forms

• gapless adjective
• gappy adjective

Etymology

Origin of gap

First recorded in 1350–1400; Middle English, from Old Norse: “chasm”; akin to Old Norse gapa “to open the mouth wide” ( gape ( def. ) )

Example Sentences

Just two weeks ago, WTI was trading at nearly a $20 discount to Brent crude in intraday trading, but U.S. prices have closed the gap.

From Barron's • Apr. 2, 2026

"This study addresses a major gap by focusing on the workers who start their day when most people are still asleep."

From Science Daily • Apr. 1, 2026

“There’s a widening gap between what people have versus what they need,” Roberts said.

From MarketWatch • Apr. 1, 2026

A young person who chooses a career in cybersecurity, whether in the military or in the private sector, is providing a timely service to his country by bridging the digital gap that attackers actively exploit.

From The Wall Street Journal • Mar. 31, 2026

There was a tiny gap with a wooden board over it.

From "Code Name Kingfisher" by Liz Kessler

Related Words

• chasm
• crack
• cut
• difference
• disagreement
• disparity
• divergence
• divide
• division
• hole
• inconsistency
• rift
• void