Click any word in a definition or example to find the entry for that word
on one occasion only
happening only once, or existing only in one place
something that is unrepeatable can only be done once or not very often because it is very special
a once in a lifetime experience is very unusual or special
with one sudden action, or on one single occasion
used for emphasizing that this is the only time that something will happen
to fall over forwards so that your face hits the ground or another surface
not skilful or sensitive
the activity of exploring abandoned buildings and other manmade structures
A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.
Free thesaurus definition of happening only once from the Macmillan English Dictionary - a free English dictionary online with thesaurus and with pronunciation from Macmillan Publishers Limited.