undiluted
[adjective]
Synonyms: straight, neat, plain, pure, unadulterated, unmixed, absolute, perfect, sheer, simple, unalloyed, unmitigated, unqualified

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Antonyms: diluted

[TahlilGaran] English Synonym Dictionary ▲

un‧di‧lut‧ed /ˌʌndaɪˈluːtəd◂, ˌʌndaɪˈluːtɪd◂/ adjective

1. literary an undiluted feeling is very strong and not mixed with any other feelings:
undiluted joy

2. an undiluted liquid has not been made weaker by adding water:
undiluted fruit juice

[TahlilGaran] Dictionary of Contemporary English ▲