| antimalarial |
effective in preventing or fighting malaria. [1/2 definitions] |
| antiscorbutic |
effective in preventing or curing scurvy. [1/2 definitions] |
| broad-spectrum |
of an antibiotic, widely effective or applicable. |
| confound |
to make less effective; to frustrate. [1/6 definitions] |
| deploy |
to move, position, or distribute so as to make ready or effective for a particular purpose. [2/5 definitions] |
| develop |
to bring out the potential of; advance to a more complete or more effective condition. [2/10 definitions] |
| effectual |
causing or capable of causing a desired result; effective; efficacious. [1/2 definitions] |
| efficacious |
causing or capable of causing a desired result; effectual; effective. |
| efficient |
operating or performing in an effective and competent manner, with little waste of effort or resources. [1/2 definitions] |
| efficiently |
in an effective and competent manner, with little waste of effort or resources. |
| eloquent |
effective and expressive. [1/2 definitions] |
| energetic |
executed with energy; effective; powerful. [1/2 definitions] |
| foolproof |
always successful or effective. [1/2 definitions] |
| force |
effective intensity, as of the mind. [1/14 definitions] |
| good |
capable of producing desired results; effective. [1/25 definitions] |
| groove |
(informal) a fixed routine, considered as being effective, or as being humdrum and boring. [1/7 definitions] |
| has-been |
one who is no longer capable of, effective at, or valued for something he or she once did well. |
| hasty |
done too quickly to be effective or prudent. [1/3 definitions] |
| hit one's stride |
to achieve an effective pace or level. |
| hone |
to make more effective or adept; perfect. [1/5 definitions] |
| insulin |
any of the common preparations of this hormone, synthesized from the pancreas of an ox or pig, that are effective in the treatment of diabetes. [1/2 definitions] |