To let out the contents of (a container); cause or allow to escape:
To put a burden on; load; weigh down; oppress
To cause to have emotional or mental problems that interfere with social functioning:
To load too heavily.
To use too often:
The definition of oppress is to keep something down using cruel or unjust power.
To diminish the energy or strength; fatigue:
To make or to become weary.
Find another word for overtax. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for overtax, like: exhaust, burden, strain, trouble, oppress, tire, weary, exceed, overload, overwork and cripple.