within

[with-in, with-]

adverb

1. in or into the interior or inner part; inside.

2. in or into a house, building, etc.; indoors.

   The fire was burning on the hearth within.

3. on, or as regards, the inside; internally.

4. inside an enclosed place, area, room, etc..

   He was startled by a cry from within.

5. in the mind, heart, or soul; inwardly.

preposition

1. in or into the interior of or the parts or space enclosed by.

   within city walls.

2. inside of; in.

3. in the compass or limits of; not beyond.

   within view;

   to live within one's income.

4. at or to some point not beyond, as in length or distance; not farther than.

   within a radius of a mile.

5. at or to some amount or degree not exceeding.

   within two degrees of freezing.

6. in the course or period of, as in time.

   within one's memory;

   within three minutes.

7. inside of the limits fixed or required by; not transgressing.

   within the law.

8. in the field, sphere, or scope of.

   within the family;

   within one's power.

noun

1. the inside of a place, space, or building.

within

/ wɪˈðɪn /

preposition

1. in; inside; enclosed or encased by

2. before (a period of time) has elapsed

   within a week

3. not beyond the limits of; not differing by more than (a specified amount) from

   live within your means

   within seconds of the world record

adverb

1. formal,  inside; internally

Word History and Origins

Origin of within¹

First recorded before 1000; Middle English withinne (preposition and adverb), Old English withinnan (adverb), equivalent to with with- + innan “from within,” equivalent to in in + -an, suffix of motion

Idioms and Phrases

• in (within) reason
• spitting distance, within
• wheels within wheels

Example Sentences

Another hypothesis is that phosphorus may have been produced locally within the Wolf 1130ABC system, specifically by its white dwarf, Wolf 1130B.

Read more on Science Daily

Sulfur can exist as a gas in the atmosphere, as sulfate dissolved in seawater, or locked within mineral deposits.

Read more on Science Daily

Later on Sunday, Manchester City can close within four points of leaders Arsenal if they beat champions Liverpool at the Etihad Stadium.

Read more on Barron's

On Sunday morning, more than 1,330 cancellations were recorded for flights within the United States and to and from the US, according to data from FlightAware, a flight tracking platform.

Read more on Barron's

Geographically, Baldwin Hills doesn’t lie within any L.A. community but rather is a buffer of hills and valleys in unincorporated L.A.

Read more on Los Angeles Times

Related Words

• in 
• indoors 
• inside