doubly

Everyday

1. Twice as much; in two ways. tree →
2. Even more, or especially. tree →

In the lessons

In everyday life, «doubly sure» means very sure, checked twice. In maths, «doubly» relates to double, meaning ×2. Phrases: doubly important, doubly careful, make doubly sure.

Examples

• Make doubly sure the door is locked. tree →
• It is doubly important to wear a helmet on a busy road. tree →
• She was doubly happy: she won and her friend won too. tree →
• Check your work doubly carefully. tree →
• The cake was doubly sweet with icing and jam. tree →
• It's doubly hard when it's cold and wet. tree →
• And, with help, she laid beside him the load of three men of doubly refined gold. tree →

Note

Spelling: doubly, not «doublely». In maths problems, «doubly» suggests multiplying by 2, but often just means «very».