ef-

American  

1. variant of ex- (by assimilation) before f: efficient.

---

Example Sentences

I went back to my street corner and proceeded to waste three hours begging, not gaining so much as a thin shim for my ef- forts.

From "The Name of the Wind" by Patrick Rothfuss

NOTE.—e-, ec-, and ef- are euphonic variations of ex-.

From New Word-Analysis Or, School Etymology of English Derivative Words by Swinton, William

Basically, we don't know enough to accurately predict the ef- fects of trauma to the brain.

From Terminal Compromise: computer terrorism: when privacy and freedom are the victims: a novel by Schwartau, Winn

From this fact 145:18 arise its ethical as well as its physical ef-         fects.

From Science and Health, with Key to the Scriptures by Eddy, Mary Baker