both
One and other
Though it is unrelated to the word two, both, whether used as a pronoun, conjunction, or adjective, always has the idea of two behind it.
It means, essentially, one and the other.
The things designated can be concrete (We need both cars tonight) or abstract (I found the lecture both provocative and entertaining).
When not followed by the things it designates, both can refer back to recent nouns to group them together: I told Mom and Dad and both were really excited.
Consisting of two parts
- doubleTwice the amount
- twinOne of matched pair
- bilateralInvolving two parties
- two-sidedWith opposite surfaces
binary · duplex · pair · couple · duo · tandem · twosome · dyad
Together with also
In union or proximity
- equallyTo the same degree
- alikeSharing key features
- simultaneouslyAt the same instant
- mutuallyIn shared fashion
jointly · collectively · each
twofold
Consisting of two parts
two-sided · binary · duplex · pair · couple · duo · tandem · twosome · dyad · bipartite
and
Together with also
together
In union or proximity
- equallyTo the same degree
- alikeSharing key features
- simultaneouslyAt the same instant
mutually · jointly · collectively · each
- don't botherDismissal of unnecessary effort
- both sidesTwo opposing parties together
- jump in with both feetCommit wholeheartedly at once
- look both waysCheck for oncoming traffic
- both waysIn two directions
- best of both worldsHaving two advantages simultaneously