-ee

1.
a suffix forming from transitive verbs nouns which denote a person who is the object or beneficiary of the act specified by the verb (addressee; employee; grantee); recent formations now also mark the performer of an act, with the base being an intransitive verb (escapee; returnee; standee) or, less frequently, a transitive verb (attendee) or another part of speech (absentee; refugee).
Origin
< French -é, (masculine), -ée (feminine), past participle endings < Latin -ātus, -āta -ate1
British Dictionary definitions for -ee

-ee

suffix
1.
indicating a person who is the recipient of an action (as opposed, esp in legal terminology, to the agent, indicated by -or or -er): assignee, grantee, lessee
2.
indicating a person in a specified state or condition: absentee, employee
3.
indicating a diminutive form of something: bootee
Word Origin
via Old French -e, -ee, past participial endings, from Latin -ātus, -āta-ate1
Word Origin and History for -ee

word-forming element in legal English (and in imitation of it), representing the Anglo-French -é ending of pps. used as nouns. As these sometimes were coupled with agent nouns in -or, the two suffixes came to be used as a pair to denote the initiator and the recipient of an action.

Slang definitions & phrases for -ee

-ee

suffix

used to form nouns The object of what is indicated: baby-sittee/ kickee/ muggee