The answers to the clues below will have something in common

1. Yegg
2. Cyclotron
3. Exhausting task
4. Enormously successful - as a movie
5. Boombox

Answers:

1. Safecracker
2. Atom smasher
3. Backbreaker
4. Blockbuster 
5. Ghetto blaster

Credit: NY Times Crossword
January 27, 1997
Fred Piscop (#1-4)