the whole number or amount of something.

Last week only 45 people in total came to see the exhibit.

• one for the road
• One good turn deserves another.
• one-hit wonder
• one-horse race
• one-horse town
• one-man band
• One man's meat is another man's poison.
• on end
• one-night stand
• one of a kind
• one of the boys
• one of the lads
• one of those days
• one-shot
• one step ahead
• One step forward, two steps back.
• one swallow doesn't make a summer
• one thing after another
• one thing leads to another
• one-to-one
• one-two punch
• one-upmanship
• on everyone's lips
• one way or another
• one way or the other