- ice over|Become covered with ice|The pond has ICED OVER.|1
- ice up|Become covered with ice in a way that stops something from working well|The engine had ICED UP and wouldn’t start.|1
- iron out|Remove small problems or irregularities|The management team IRONED OUT the tax problems before they gave the project the OK.|1
- issue forth|Come out of a place|New initiatives ISSUE FORTH from the government on a daily basis.|1