effective
Collocations
22(adj.) producing the result you want
VERBS
be, look, prove, seem | make sth
find sth
She found the new study method effective for preparing her exam.
ADV
brilliantly, especially, extremely, highly, particularly, really, remarkably, very
This new medicine has proven to be remarkably effective at reducing pain for most patients.
completely, fully, perfectly | increasingly | fairly, moderately, partially, pretty, quite, rather, reasonably
enough
The old medicine wasn't effective enough to cure her persistent cough.
not sufficiently | immediately | potentially
devastatingly, powerfully, surprisingly
The new advertising campaign proved surprisingly effective at attracting younger customers to the brand.
politically
The protest was politically effective because it forced the government to change its policy.
PREP
at
This new security system is very effective at preventing break-ins in our neighborhood.
in
The new safety measures proved effective in reducing workplace accidents last year.
(adj.) of laws/rules
VERBS
be | become | remain
ADV
fully | partially
directly, immediately
The new safety rules proved immediately effective in reducing workplace accidents.
legally