RECALL BEFORE REVEAL

Find the word behind the meaning.

Read the definition and try to retrieve the word. Say it aloud or write it down before opening the answer.

CARD 1 OF 1

Which word fits this meaning?

Capable of producing the intended effect.

adjective

Reveal word and examples

efficacious

The essay asks whether praise is an efficacious way to encourage revision.
Dictionary practice example.
Colored assembly tags proved efficacious in the builders' trial: the labels helped every tester place the gate's loose components correctly.
From Why the Demonstration Works.
Full dictionary entry
Try another dictionary setOpen lesson index
Return to top