- burdensome, oppressive, or troublesome; causing hardship: onerous duties.
- having or involving obligations or responsibilities, especially legal ones, that outweigh the advantages: an onerous agreement.
Origin of onerous
Synonyms for onerous
Examples from the Web for onerosity
Historical Examples of onerosity
Then the gratuitous and the common have gained all that onerosity and property have lost.
Property, Community, are two ideas correlative to the ideas of onerosity and gratuitousness, on which they are founded.
- laborious or oppressive
- law (of a contract, lease, etc) having or involving burdens or obligations that counterbalance or outweigh the advantages
Word Origin for onerous
late 14c., from Old French onereus, honereus (14c., Modern French onéreux) and directly from Latin onerosus, from onus (genitive oneris) "burden" (see onus).