0 used to show that there is a single one or very few of something, or that there are no others: --
1 used to show that something is limited to not more than, or is not anything other than, the people, things, amount, or activity stated: --
It's only natural that you should worry about your children.
"Who's there?" "It's only me (= it is not someone you should worry about). I've locked myself out."
It's only four o'clock and it's already getting dark.
I was only joking.
Only an idiot would do that.
At present these televisions are only available in Japan.
2 used to refer to something that happens almost immediately after something else: --
3 used to say that two related things are true or happened, especially when this is surprising or shocking: --
4 used when saying that something unpleasant will happen as a result of an action or a failure to act: --
If you don't do something about it now it will only get worse.
5 used to show that you feel sorry about something that cannot happen when explaining why it cannot happen: --
Major alterations to the text will be accepted only at the author's expense.
Every one has, not only two, but millions of parents.
This is not the only possible definition of dimension.
Only taxa that constitute > 2 % of the assemblage are shown.
This only happens in the regime k 0.
Thus, the only acceptable solution is the forced solution itself.
All the subfractions were found to contain only illite.
This idea is attractive in the abstract only.