conjunction
used to talk about the result or effect of something that may happen or be true
used to discuss the imaginary result or effect of something that did not happen or that is or was not true
used to say that something must happen before another thing can happen
used to indicate a result that always occurs when something happens
even though :although
used to introduce a statement or question about something that is not certain
a - used to make a polite request or suggestion
b - used to state an opinion in a polite way
used in statements that describe feelings (such as regret) about a possible situation
used in statements and questions that express doubt
used to introduce an even stronger alternative to what has just been said
used to express surprise about meeting someone when it is not expected
used to emphasize the truth of a statement
as if
even if
if anything
used to make a statement that strongly disagrees or contrasts with a preceding statement
if it comes to that
if I were you
used when giving advice to people about how they should behave
if not for
in the absence of (something or someone) :without
if nothing else
at least - used to stress that an approving statement is true even though a stronger statement might not be
if only
used to talk about something that you want to happen or be true
if you ask me
used in statements that express an opinion
if you must
what if
noun
plural ifs
[count] :something that is not certain :something that could either happen or not happen