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

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

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

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

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

The state or quality of being iffy.

Initialism of Interchange File Format, a file format standard developed for Amiga computers.

Initialism of identification friend or foe.

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

(informal) A speculation as to what might have happened if something else had happened earlier.