The overgrowth of plant life that a machete is used on is a symbol of tangled thoughts and ideas that are impeding your easy progression through life.
The machete then is a symbol for your ability to cut through old habitual thought patterns that block your way. This image often appears in a dream where the character aspect wielding it is a dangerous or scary individual. Remember that all dreams are for your benefit, and such a scary figure with this tool is really capable of helping you face those fears and clear a new path. [1]
To see a machete on the ground before you indicates an opportunity to make a positive step towards personal fulfillment. You must summon the courage to pick it up. Someone else wielding a machete at you suggests it is time to be brave enough to walk away from a situation that may be causing you to feel threatened and under attack. [2]
If someone else had the machete, the dream represents aspects of your personality that are negative or repressed.
If you dreamed of using a machete to make your way through green fields, this is an omen of great happiness to come. You are going through a period of personal growth, and you will overcome the challenges facing you. [3]