encumber – to impede or hinder; to weigh down
(Pronounced en-kuhm-ber)
To remember the definition of the word encumber, use the following mnemonic:
I entered a cucumber (encumber) into the best vegetable competition, but it was hindered by the fact that someone had taken a bite out of it.

Examples of encumber in a sentence
His lack of flexibility was going to encumber his climbing.
She didn't want to encumber them with her issues.
The business was encumbered by inexperienced staff.