Within view, not too far away, as in The analysts see a huge rise in the stock market on the horizon.
- On the hot seat
adverb phrase In an uncomfortable situation; in a jam: You’re on the hot seat every day in that job (1960s+)
- On the hour
At every hour exactly; one o’clock, two o’clock, and so on. For example, The shuttle to New York departs on the hour. An extension of this idiom is every hour on the hour, meaning every time the clock’s big hand reaches twelve, as in The bus passes by the house every hour on the hour.
- On the hustle
adjective phrase Living by constant petty frauds and crimes; watchful for dupes: sleeping till ten in the morning, on the hustle in the streets or the poolrooms (1970s+)
- On the increase
Growing, especially in frequency of occurrence, as in Violent crime is on the increase. [ Mid-1700s ]