cap (something) off

to complete an experience in a particularly good or bad way.

We went to the beach, strolled around town, and capped off our visit with a fireworks display that evening.

Usage notes: sometimes used in the form cap it all off:

There's been bad economic news all year, and to cap it all off, now oil prices are increasing.

Related vocabulary: to top it all off

• follow you to the ends of the earth
• food for thought
• fool and his money are soon parted.
• fool around
• fool around with
• fool around with someone
• fool around with something
• fool's errand
• Fools rush in.
• Fools rush in where angels fear to tread.
• fool with
• fool with someone
• fool with something
• foot the bill
• for a change
• for a kick-off
• for all
• for all cares
• for all intents and purposes
• for all knows
• for all someone cares
• for all someone knows
• for all something
• for all that
• for all the world like