boost

Everyday

1. To boost something is to make it bigger, stronger or better. tree →
2. A boost is help or encouragement that makes something rise or improve. tree →
3. To boost someone is to push them up from below so they can climb. tree →

In the lessons

In everyday life: a good breakfast boosts energy, praise boosts confidence, vitamins boost health, a booster seat lifts a child in a car (a safety rule). In science rockets have booster engines. In health a «booster» is an extra vaccine dose. In maths problems «boost» means increase.

Examples

• A good night's sleep will boost your energy. tree →
• Winning the match gave the team a real boost. tree →
• Dad gave me a boost so I could climb the wall. tree →
• The rocket's boosters fell away after take-off. tree →
• Young children must sit in a booster seat in the car. tree →
• Sales were boosted by the new advert. tree →

Note

Regular verb: boosted, boosting. Noun: booster (a thing that boosts). In word problems «boosted by 20» means add 20.