used with numbers such as twenty, forty, sixty etc to refer to the age of someone who is between 20 and 29, 40 and 49 etc, or to make nouns meaning someone who is that age
I don’t know how old Tom is – I suppose he must be forty-something.
a chatroom for thirty-somethings
Synonyms and related words
Suffixes
-ability
-able
-aholic
-something
suffix
US /sʌmθɪŋ/
Other entries for this word
somethingpronoun
do somethingphrase
hang somethingphrase
something likephrase
quite somethingphrase
something rocksphrase
shove somethingphrase
that’s somethingphrase
all of somethingphrase
go do somethingphrase
hot on somethingphrase
let something gophrase
shy of somethingphrase
something is upphrase
up for somethingphrase
up to somethingphrase
be about somethingphrase
acres of somethingphrase
for all somethingphrase
awake to somethingphrase
more dictionary definitions
DEFINITIONS1
1
used with numbers such as twenty, forty, sixty, etc. to refer to the age of someone who is between 20 and 29, 40 and 49, etc., or to make nouns meaning someone who is that age
I don’t know how old Tom is – I suppose he must be forty-something.