Meanings
From Middle English as ȝif, alls iff (“as if”), from Old English *ealswā ġif, attested only as swā ġif (“as if”), equivalent to as + if. Compare Dutch alsof (“as if”), Low German as of (“as if”), German als ob (“as if”).
How to pronounce "as if":
AU
As though; in a manner suggesting.
Example: "The old man stumbled, as if he were about to fall."
In mimicry of.
Example: "When the teacher’s back was turned, the class clown would hold his stomach as if he were ill."
Refers to something that the speaker deems highly unlikely.
Example: "—I'm going to clean your whole house. —As if!"
Example Sentences
1
He acts as if he knows everything.
2
She talks as if she's the boss around here.
3
They behave as if they have no manners.
4
He looks at me as if I'm crazy.
5
She smiles as if she has a secret.