Related Words for efficacious

Compiled automatically from published text to show words that appear in related contexts. Read More Results may indicate historical usage, and do not reflect the views of Merriam-Webster. Send us feedback.
WordSyllablesCategories
effective
x/x
Adjective, Adjective
effectual
x/xx
Adjective, Adjective
telling
/x
Adjective, Adjective, Verb
impressive
x/x
Verb, Adjective
trenchant
/x
Adjective, Adjective
impelling
x/x
Adjective, Adjective
ineffective
xx/x
Adjective, Adjective
efficient
x/x
Adjective
curative
/xx
Adjective
beneficial
xx/x
Adjective
potent
/x
Adjective
therapeutically
xx/xxx
Adverb
reliable
x/xx
Adjective
feasible
/xx
Adjective
safe
/
Adjective
eminently
/xxx
Adverb
meritorious
xx/xx
Adjective
workable
/xx
Adjective
beneficent
xx/x
Adjective
expeditious
xx/x
Adjective
useful
/x
Adjective
healthful
/x
Adjective
expedient
x/xx
Noun
prophylactic
xx/x
Adjective
adjunctive
/xx
Adjective
robust
x/
Adjective
affordable
x/xx
Adjective
pharmacologically
xxx/xx
Adverb
successful
x/x
Adjective
profitable
/xxx
Adjective
viable
/xx
Adjective
affective
x/x
Adjective
advantageous
xx/x
Adjective
synergistic
xx/x
Adjective
indispensable
xx/xx
Adjective
amenable
x/xx
Adjective
preventive
x/x
Adjective
satisfactory
xx/x
Adjective
practicable
/xxx
Adjective
convenient
x/x
Adjective
integrative
/xxx
Adjective
skilful
/x
Adjective
inexpensive
xx/x
Adjective
salutary
/xxx
Adjective
adequate
/xx
Adjective
transformative
x/xx
Adjective
serviceable
/xxx
Adjective
restorative
x/xx
Adjective
nontoxic
x/x
Adjective
equitable
/xxx
Adjective
impactful
x/x
Noun
achievable
x/xx
Adjective
supportable
x/xx
Adjective
desirable
x/xx
Adjective
innovative
/xxx
Adjective
virtuous
/xx
Adjective
competent
/xx
Adjective
practical
/xx
Adjective
laudable
/xx
Adjective
adept
x/
Noun
alternative
x/xx
Noun
fruitful
/x
Adjective
skillful
/x
Adjective
realizable
xx/xx
Adjective
suitable
/xx
Adjective
promising
/xx
Adjective
powerful
/xx
Adjective
clinically
/xxx
Adverb
meaningful
/xx
Adjective
salubrious
x/xx
Adjective
agreeable
x/xx
Adjective
consistent
x/x
Adjective
durable
/xx
Adjective
redemptive
x/x
Adjective
remedial
x/xx
Adjective
tolerable
/xxx
Adjective
opportune
xx/
Adjective
foolproof
/x
Adjective
propitious
x/x
Adjective
sustainable
x/xx
Noun
honourable
/xxx
Name
replicable
/xxx
Adjective
trustworthy
/xx
Adjective
interventions
xx/x
Noun
honorable
/xxx
Name
preventative
x/xx
Adjective
availing
x/x
Verb
operative
/xxx
Adjective
working
/x
Verb
energetic
xx/x
Adjective
available
x/xx
Adjective
effecting
x/x
Verb
good
/
Adjective
operational
xx/xx
Adjective
capable
/xx
Adjective
convincing
x/x
Adjective
sufficient
x/x
Adjective
fecund
x/
Adjective
eloquent
/xx
Adjective
informative
x/xx
Adjective
forcible
/xx
Adjective
persuasive
x/x
Adjective
accomplished
x/x
Verb
forceful
/x
Adjective
cogent
/x
Adjective
skilled
/
Adjective
enforceable
x/xx
Adjective
able
/x
Adjective
executive
x/xx
Noun
infallible
x/xx
Adjective
influential
xx/x
Adjective
potential
x/x
Noun
articulate
x/xx
Adjective
applicative
/xxx
Noun
formal
/x
Adjective
functional
/xx
Adjective
in effect
xx/
Phrase, Adjective, Adverb
active
/x
Adjective
effluent
/xx
Noun
grace
/
Noun
remedies
/xx
Noun
vaccines
x/
Noun
sacrament
/xx
Noun
antidote
/xx
Noun
agonist
/xx
Noun
treatments
/x
Noun
diuretics
xx/x
Noun
rhymes
/
Noun
medicines
/xx
Noun
analgesic
xx/x
Noun
therapies
/xx
Noun
regimens
/xx
Noun
means
/
Noun
modality
x/xx
Noun
advertisement
x/xx
Noun
drug
/
Noun
cure
/
Noun
cathartic
x/x
Adjective, Noun
effectively
x/xx
Adverb
efficiency
x/xx
Noun
ineffectual
xx/xx
Adjective
investigational
xxx/xx
Adjective
lifesaving
/xx
Noun, Adjective
palliative
/xxx
Adjective, Noun
proactive
//x
Adjective
psychotherapeutic
xxxx/x
Adjective
rehabilitative
xx/xxx
Adjective
sorta
/x
Adverb
no
/
Noun, Adverb, Adjective
bulletproof
/xx
Adjective, Verb
anymore
xx/
Adverb
literally
/xxx
Adverb
milestone
/x
Noun, Verb
expression
x/x
Noun
stonewall
/x
Name, Verb, Adjective
collocation
xx/x
Noun