ˈsɪkstɪ n. & adj. --n. (pl. -ies) 1
the product of
six and ten. 2 a
symbol for this (60,
lx, LX). 3 (in pl.) the numbers
from 60 to 69,
esp. the years of a
century or of a person's
life. 4 a set of sixty persons or things. --adj.
that amount to sixty. øsixty-first, -second , etc. the
ordinal numbers
between sixtieth and seventieth. sixty-fourmo (pl. -os) 1 a size of
book in
which each leaf is one-sixty-fourth of a printing-sheet. 2 a book of this size (after
DUODECIMO etc.). sixty-fourth
note esp. US Mus. =
HEMIDEMISEMIQUAVER. sixty-four
thousand (or sixty-four)
dollar question a
difficult and
crucial question (from the top prize in a
broadcast quiz show). sixty-one, -two , etc. the
cardinal numbers between sixty and
seventy. øøsixtieth adj. & n. sixtyfold adj. & adv. [OE siextig (as SIX, -TY(2))]