Example : An obscure turn of phrase.
An impulse to go off and fight certain obscure battles of his own spirit.
Their descriptions of human behavior become vague, dull, and unclear.
Vague...forms of speech...have so long passed for mysteries of science.

Synonyms : vague

Example : Much that was dark is now quite clear to me.
Those who do not appreciate Kafka's work say his style is obscure.

Synonyms : dark

Example : Hidden valleys.
A hidden cave.
An obscure retreat.

Synonyms : hidden

Example : An obscure family.
Unsung heroes of the war.

Synonyms : unknown, unsung

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Translation in other languages :తెలుగు हिन्दी ಕನ್ನಡ ଓଡ଼ିଆ मराठी বাংলা தமிழ் മലയാളം

Example : An unnoticeable cigarette burn on the carpet.
An obscure flaw.

Synonyms : unnoticeable

Example : Existed over the centuries as a world apart.
Preserved because they inhabited a place apart.
Tiny isolated villages remote from centers of civilization.
An obscure village.

Synonyms : apart, isolated

Example : The stars are obscured by the clouds.
The big elm tree obscures our view of the valley.

Synonyms : becloud, befog, cloud, fog, haze over, mist, obnubilate

Example : Her remarks confused the debate.
Their words obnubilate their intentions.

Synonyms : blur, confuse, obnubilate

Example : The distinction was obscured.

Synonyms : bedim, overcloud

Example : A hidden message.
A veiled threat.

Synonyms : blot out, hide, obliterate, veil