ahead

to make arrangements for a future event or situation

to make a reservation in advance

to telephone someone before you visit

to walk in front of someone else

to move forward very quickly, often in a competition

to skip forward in a sequence or process

to walk forward with determination, like a soldier

to walk forward with long, decisive steps

to look forward for a long time with your eyes wide open

to move forward suddenly and with force

to look carefully or with difficulty at something in front of you

used for a road, period of time, etc., that continues for a long way into the future or distance

to move forward slowly or gain a slight advantage