Another, other, the other, others, and the others all point to something additional, different, or remaining. They look similar and their meanings overlap, which is exactly why they get mixed up. The good news is that they form a small, closed system — five forms, and each one has a clear job.
Two questions decide which form to use:
- Is the noun singular or plural/uncountable?
- Is it indefinite (any one of several) or definite (a specific, already-known one)?
The five forms at a glance
| FORM | ROLE | USED WITH |
|---|---|---|
| another | determiner | singular countable noun |
| other | determiner | plural or uncountable noun |
| the other | determiner | specific singular or plural noun |
| others | pronoun | plural, stands alone |
| the others | pronoun | specific plural, stands alone |
The first three sit before a noun. The last two replace the noun entirely and stand on their own.
Another — one more, singular
Another is a determiner used with a singular countable noun. It is written as one word — another, never an other. Think of it literally as an + other: one additional, unspecified thing of the same kind.
It carries two related meanings.
"One more" / "an additional one":
"A different one" / "an alternative":
Because another contains an, the same rule that blocks a cars blocks another cars. It is always followed by a singular noun.
A small exception: another can come before a plural noun when a number or a quantity word follows it. Here another attaches to the whole quantity, treating it as a single block.
Other — plural or uncountable
Other is a determiner used with plural countable nouns and with uncountable nouns. It means "additional", "different kinds of", or "alternative".
The hard rule: as a determiner, other never takes -s. It is other books, not others books. This is the single most common mistake with these words.
Other cannot stand alone in front of a singular countable noun. If the noun is singular, either switch to another (indefinite) or add a determiner like the, my, some (definite).
The other — the specific remaining one(s)
The other is definite: it points to a specific thing or set of things the listener already knows about.
With a singular noun, it means the second of two or the one left over.
With a plural noun, it means the remaining ones in a known group.
Others — plural pronoun, stands alone
Others is a pronoun. It is always plural, and it never stands before a noun. Its job is to replace other + plural noun when the noun is already clear from context.
The mirror of the other/others split: use other before a noun, use others without one.
The others — the specific remaining group
The others is the pronoun version of the other + plural noun. It refers to a definite, already-known group and stands alone.
If the remaining item is singular, the pronoun is just the other, without -s.
Another vs other — the core contrast
Most mistakes come down to a singular/plural mix-up. Keep this table in mind and half the problem disappears.
| INDEFINITE | DEFINITE | |
|---|---|---|
| Singular | another book | the other book |
| Plural / uncountable | other books | the other books |
A quick sanity check: if you could say a book, you can say another book. If you could say books or music without an article, you can say other books or other music.
Common mistakes
Singular vs plural mix-up
Another written as two words
Other alone before a singular noun
Others used before a noun
Other as a pronoun without -s
Another with a plain plural