them

UK: strong: /ˈðɛm/, weak: /ðəm/

US: /ðɛm; unstressed ðəm, əm/

US: (ᵺem; unstressed ᵺəm, əm)

WordReference Random House Learner's Dictionary of American English © 2025

them /ðɛm; unstressed ðəm, əm/   pron. 

1. the form of the pronoun they used as a direct or indirect object of a verb, or as the object of a preposition:
   We saw them yesterday. I gave them the books. I ran toward them.
2. Informal. (sometimes used instead of the pronoun they after the verb to be):
   It's them, across the street. It isn't them.
3. (used instead of the pronoun their before a verbal noun ending in -ing, a gerund, or before a verbal adjective ending in -ing, a present participle):
   The boys' parents objected to them hiking without supervision.

adj. [before a noun]

WordReference Random House Unabridged Dictionary of American English © 2025

them  (ᵺem; unstressed ᵺəm, əm), pron. 

1. the objective case of they, used as a direct or indirect object:
   We saw them yesterday. I gave them the books.
2. [Informal.] (used instead of the pronoun they in the predicate after the verb to be):
   It's them, across the street. It isn't them.
3. [Informal.] (used instead of the pronoun their before a gerund):
   The boys' parents objected to them hiking without adult supervision.

adj. 

4. [Nonstandard.] those:
   He don't want them books.

• Old Norse theim them (dative); replacing Middle English tham(e), Old English thǣm, thām; compare they
• Middle English theym 1150–1200

Usage

See he ¹, me, they. 

Collins Concise English Dictionary © HarperCollins Publishers::

them / ðɛm (unstressed) ðəm/ pronoun

1. (objective) refers to things or people other than the speaker or people addressed: I'll kill them, what happened to them?
2. (objective) refers to a person whose gender cannot or need not be specified : find someone you trust and ask them to advise you
3. (objective) refers to a person with a nonbinary gender identity who has expressed a preference to be referred to in this way: the actor was asked what being nonbinary meant to them
4. 
   a dialect word for themselves

determiner

1. a nonstandard word for those: three of them oranges

Etymology: Old English thǣm, influenced by Old Norse theim; related to Old Frisian thām, Old Saxon, Old High German thēm, Old Norse theimr, Gothic thaimUSAGE
me1, they