Used other than figuratively or idiomatically: see if, only. / (idiomatic) I wish that; signifies a wish or desire for the present or the future.

Supposing that, assuming that, in the circumstances that; used to introduce a condition or choice.

(informal) An uncertainty, possibility, condition, doubt etc.

(idiomatic) Never.

Regardless of whether; irrespective of (something happening or being the case). / Even though

As though; in a manner suggesting. / In mimicry of.

If your adversaries are stronger than you, it is better to join their side.

(idiomatic) Ellipsis of if the shoe fits, wear it.

(idiomatic) Refers to something that the speaker deems highly unlikely.

If you cannot handle the pressure, you should not remain in a position where you have to deal with it.