at (long) last

after much delay.

The line of traffic began to move at last.

Related vocabulary: it's about time, it is high time

• the biter is bit
• the bitter fruits
• the black sheep
• the black sheep of the family
• the blind leading the blind
• the blue blazes
• the boot is on the other foot
• the bottom drops out of the market
• the bottom falls out of the market
• the bottom fell out
• the bottom fell out of
• the bottom fell out of something
• the bottom line
• the bottom of the barrel
• the bottom of the heap
• the bottom of the hour
• the bottom of the ladder
• the boys in blue
• the brains behind
• the brains behind something
• the brass ring
• the bright lights
• the bright side
• the bubble bursts
• the buck stops here.