The difference between Sicken and Surfeit

When used as verbs, sicken means to make ill, whereas surfeit means to fill to excess.

Surfeit is also noun with the meaning: an excessive amount of something.

check bellow for the other definitions of Sicken and Surfeit

Sicken as a verb (transitive):

To make ill.

Examples:

"The infection will sicken him until amputation is needed."
Sicken as a verb (intransitive):

To become ill.

Examples:

"I will sicken if I don’t get some more exercise."
Sicken as a verb (transitive):

To fill with disgust or abhorrence.

Examples:

"His arrogant behaviour sickens me."
Sicken as a verb:

To lower the standing of.
Sicken as a verb (intransitive):

To be filled with disgust or abhorrence.
Sicken as a verb (intransitive):

To become disgusting or tedious.
Sicken as a verb (intransitive):

To become weak; to decay; to languish.

Surfeit as a noun (countable):

An excessive amount of something.

Examples:

"A surfeit of wheat is driving down the price."
Surfeit as a noun (uncountable):

Overindulgence in either food or drink; overeating.
Surfeit as a noun (countable):

A sickness or condition caused by overindulgence.

Examples:

"King Henry I is said to have died of a surfeit of lampreys."
Surfeit as a noun:

Disgust caused by excess; satiety.

Surfeit as a verb (transitive):

To fill to excess.
Surfeit as a verb (transitive):

To feed someone to excess.

Examples:

"She surfeited her children on sweets."
Surfeit as a verb (intransitive, reflexive):

To overeat or feed to excess.
Surfeit as a verb (intransitive, reflexive):

To sicken from overindulgence.