1. Bold

Meaning 1: brave and confident, not afraid to take risks. ("It was a bold move to swap teams just before the final.") Meaning 2: printed in thick, dark letters that stand out on the page. ("The key words in the textbook were printed in bold.")

2. Venture

Meaning 1: a new activity or business that involves some risk. ("Setting up the school newspaper was an exciting venture.") Meaning 2: to dare to go somewhere or say something, even though it might be risky. ("Nobody dared venture into the dark cave alone.")

3. Endeavour

Meaning 1: to try very hard to do something difficult. ("The scouts endeavoured to finish the hike before dark.") Meaning 2: a serious attempt to do something difficult. ("Building the treehouse was a great endeavour for the two of them.")

4. Endure

Meaning 1: to bear something difficult or painful without giving up. ("The explorers endured freezing temperatures to reach the summit.") Meaning 2: to continue to exist for a long time. ("Their friendship has endured since primary school.")

5. Zest

Meaning 1: great enthusiasm and enjoyment for life or an activity. ("Grandpa still tackles every day with real zest.") Meaning 2: the outer, coloured skin of a lemon, orange or lime, used in cooking. ("The recipe called for the zest of one lime.")

6. Hurdle

Meaning 1: a small fence that runners or horses jump over during a race. ("She cleared the final hurdle and sprinted to the finish line.") Meaning 2: a difficulty that you must deal with before you can succeed. ("Learning to swim was the biggest hurdle before the school trip to the coast.")

7. Abandon

Meaning 1: to go away from a person, place or thing for ever, without meaning to return. ("The sailors abandoned the sinking ship and rowed for the shore.") Meaning 2: to give up on a plan or activity before it is finished. ("We abandoned the treasure hunt when the rain poured down.")

8. Absolute

Meaning 1: so complete that nothing at all is left out. ("There was absolute darkness inside the cave.") Meaning 2: definitely true, leaving no room for doubt. ("The muddy pawprints were absolute evidence that the dog had been on the sofa.")

9. Account

Meaning 1: a spoken or written report of something that happened. ("Grandad's account of the storm at sea kept us spellbound.") Meaning 2: an arrangement with a bank that keeps track of the money you pay in and take out. ("She pays her pocket money into her account every month.")

10. Acute

Meaning 1: very intense or serious, like a sudden stab of pain or a pressing problem. ("An acute pain shot through his wrist as he caught the ball.") Meaning 2: quick to notice things or to work them out. ("Bats rely on their acute hearing to hunt in the dark.")

11. Address

Meaning 1: the house number, street and town that say exactly where a place is. ("Write the party's address on the back of the invitation.") Meaning 2: a formal talk delivered to a group of listeners. ("The mayor gave a short address at the opening of the new library.")

12. Adopt

Meaning 1: to welcome a child or a pet into your own family and raise them as yours. ("Our neighbours adopted two kittens from the rescue centre.") Meaning 2: to pick a plan, habit or idea and begin to follow it. ("The club adopted a new set of rules this season.")

13. Affect

Meaning 1: to change or influence somebody or something. ("Too little sleep affects how well you concentrate in class.") Meaning 2: to pretend to have a feeling, style or way of speaking. ("He affected a limp to dodge PE, but nobody believed him.")

14. Agree

Meaning 1: to hold the same view as somebody else. ("We all agreed that the sequel was better than the first film.") Meaning 2: to accept an invitation or a request. ("Gran agreed to look after the rabbit while we were away.")

15. Air

Meaning 1: the invisible mixture of gases that surrounds the Earth and fills our lungs. ("The mountain air felt cool and clean after the city.") Meaning 2: an impression or mood that seems to surround a person or place. ("The empty house had an air of sadness about it.")