Hour Definition

Define what is Hour?

1. 60 minutes, hour, hr (noun)

a period of time equal to 1/24th of a day.

  • the job will take more than an hour.
Synonyms: 60 minutes, hr

time unit, unit of time noun
a unit for measuring time periods.


sidereal hour noun
1/24 of a sidereal day.

man hour, person hour noun
a time unit used in industry for measuring work.

2. time of day, hour (noun)

clock time.

  • the hour is getting late.
Synonyms: time of day

clock time, time noun
a reading of a point in time as given by a clock.


high noon, midday, noon, noonday, noontide, twelve noon noun
the middle of the day.

mealtime noun
the hour at which a meal is habitually or customarily eaten.

late-night hour noun
the latter part of night.

midnight noun
12 o'clock at night; the middle of the night.

small hours noun
the hours just after midnight.

bedtime noun
the time you go to bed.

closing time noun
the regular time of day when an establishment closes to the public.

Aurora, sunrise, first light, dayspring, daybreak, dawning, dawn, cockcrow, break of the day, break of day, sunup, morning noun
the first light of day.

early-morning hour noun
an hour early in the morning.

sundown, sunset noun
the time in the evening at which the sun begins to fall below the horizon.

crepuscle, crepuscule, dusk, evenfall, gloam, gloaming, nightfall, twilight, Fall noun
the time of day immediately following sunset.

none noun
a canonical hour that is the ninth hour of the day counting from sunrise.

happy hour noun
the time of day when a bar sells alcoholic drinks at a reduced price.

rush hour noun
the times at the beginning and end of the working day when many people are traveling to or from work.

zero hour noun
the time set for the start of an action or operation.

canonical hour noun
(Roman Catholic Church) one of seven specified times for prayer.

3. hour (noun)

a special and memorable period.

  • it was their finest hour.

period, period of time, time period noun
an amount of time.

4. hour, minute (noun)

distance measured by the time taken to cover it.

  • we live an hour from the airport.
  • its just 10 minutes away.
Synonyms: minute

distance noun
the property created by the space between two objects or points.

Nearby Terms

hour angle (noun)
the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body

hour circle (noun)
a great circle on the celestial sphere that passes through both celestial poles

hour hand (noun)
the shorter hand of a clock that points to the hours

hourglass (noun)
a sandglass that runs for sixty minutes

hourglass-shaped (adjective satellite)
shaped in the form of an hourglass

houri (noun)
a voluptuously beautiful young woman

hourlong (adjective satellite)
lasting for an hour

hourly (adverb)
every hour; by the hour

hours (noun)
a period of time assigned for work

Housatonic (noun)
a river that rises in western Massachusetts and flows south through Connecticut to empty into Long Island Sound

Housatonic River (noun)
a river that rises in western Massachusetts and flows south through Connecticut to empty into Long Island Sound

house (noun)
a dwelling that serves as living quarters for one or more families

house agent (noun)
a person who is authorized to act as an agent for the sale of land

house arrest (noun)
confinement to your own home

house cat (noun)
any domesticated member of the genus Felis