adj.
1 producing the result you want
VERBS
▪ be , look , prove , seem
▪ make sth
▪ find sth
▪
We find advertising on the radio very ~.
ADVERB
▪ extremely , fairly , very , etc.
▪ enormously , especially , extraordinarily , highly , incredibly , remarkably , tremendously
▪
a highly ~ technique
▪ completely , fully , totally , truly
▪ especially , particularly
▪ moderately , partially , reasonably
▪ equally
▪ generally
▪
The drug is generally ~ in reducing pain.
▪ increasingly
▪ surprisingly
▪ consistently
▪ enough
▪
This method is ~ enough with greenfly.
▪ not sufficiently
▪ immediately
▪ potentially
▪ devastatingly , powerfully
▪
Sneezes are devastatingly ~ at spreading infection.
▪ politically
▪
What makes a speech politically ~?
PREPOSITION
▪ at
▪
~ at keeping out the wind
▪ in
▪
~ in helping people to stop smoking
2 of laws/rules
VERBS
▪ be
▪ become
▪ remain
ADVERB
▪ fully
▪ partially
▪ directly , immediately
▪
directly ~ treaty provisions
▪ legally
Effective is used with these nouns: ↑ action , ↑ administration , ↑ advocate , ↑ agent , ↑ aid , ↑ alternative , ↑ answer , ↑ antibiotic , ↑ antidote , ↑ barrier , ↑ birth control , ↑ blockade , ↑ camouflage , ↑ campaign , ↑ campaigner , ↑ challenge , ↑ change , ↑ channel , ↑ collaboration , ↑ communication , ↑ contraception , ↑ contraceptive , ↑ control , ↑ cooperation , ↑ coordination , ↑ counter , ↑ counter-attack , ↑ critique , ↑ cure , ↑ date , ↑ defence , ↑ delegation , ↑ deployment , ↑ deterrent , ↑ diplomacy , ↑ discipline , ↑ drug , ↑ enforcement , ↑ engagement , ↑ execution , ↑ exercise , ↑ exploitation , ↑ expression , ↑ implementation , ↑ instrument , ↑ intervention , ↑ leader , ↑ leadership , ↑ learning , ↑ legislation , ↑ liaison , ↑ management , ↑ marketing , ↑ means , ↑ measure , ↑ mechanism , ↑ method , ↑ mode , ↑ monopoly , ↑ operation , ↑ opposition , ↑ organization , ↑ participation , ↑ partnership , ↑ piece , ↑ ploy , ↑ policy , ↑ presentation , ↑ protection , ↑ reform , ↑ remedy , ↑ removal , ↑ representation , ↑ resistance , ↑ resolution , ↑ response , ↑ ruler , ↑ safeguard , ↑ sanction , ↑ solution , ↑ strategy , ↑ supervision , ↑ system , ↑ teaching , ↑ teamwork , ↑ technique , ↑ tool , ↑ treatment , ↑ use , ↑ vaccine , ↑ veto , ↑ way , ↑ weapon , ↑ writing