efficacious
efficacious is defined in Webster's Unabridged Dictionary (1913) with 1 sense, and appears in Roget's Thesaurus (1911) with 40 related terms. The full text of each entry is reproduced verbatim below.
Definitions
- 1.Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law. -- Ef`fi*ca"cious*ly, adv. -- Ef`fi*ca"cious*ness, n.
Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
Synonyms
Synonyms (Webster's 1913)
- see effectual
Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
Related terms (Roget's 1911)
- act
- acting
- action
- agency
- bear
- bring
- causation
- come
- despair
- doing
- effect
- effectual
- efficient
- exercise
- foot
- force
- free
- function
- have
- home
- influence
- instrumentality
- interaction
- interworking
- into
- lest
- maintain
- maintenance
- mix
- modus
- must
- myself
- office
- operate
- operation
- operative
- perform
- play
- power
- practical
Source: Roget's Thesaurus, 1911 edition (public domain, via Project Gutenberg eBook #10681).
Related questions
Reverse-dictionary questions
Definition-first questions whose answer is efficacious.
Sources
- Definitions: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
- Synonyms & antonyms: Roget's Thesaurus, 1911 edition (public domain, via Project Gutenberg eBook #10681).
- Canonical URL: https://worddirectanswers.com/word/efficacious
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