Synonyms: hours
Definition: an indefinite period of time
Usage: they talked for hours
Similar words: time period, period, period of time
Definition: an amount of time
Usage: a time period of 30 years; hastened the period of time of his recovery; Picasso's blue period
Synonyms: hours
Definition: a period of time assigned for work
Usage: they work long hours
Similar words: work time
Definition: a time period when you are required to work