obscure

Adjective

Positive
obscure

If something is obscure, it is not easy to understand.
- Synonyms: vague, unclear and unintelligible
- Antonyms: clear, understandable and intelligible
The textbook the teacher was using in her class was obscure.
If something is obscure, it is not bright in color or appearance; it is dull or dark.
- Synonyms: dim, dark and dull
- Antonyms: bright, lustrous, intelligible and clear
If something is obscure, it is very hard to make out a clear image of it; it is faint; it is unclear or vague.
- Synonyms: faint, vague, unclear and unintelligible
- Antonyms: bright, lustrous, intelligible and clear
If something is obscure, it is hidden; it is out of sight.
The Johnsons decided to have a date at an obscure retreat.
If a place where people live is obscure, it is found far away from where most other people live.
If something is obscure, it is not easily seen; it is inconspicuous.
- Synonyms: inconspicuous and unnoticeable
- Antonyms: conspicuous and noticable
The ruby had an obscure flaw in it.
If somebody is obscure, they are not known; they have no fame and are not notable.
- Synonyms: enigmatic, mysterious and unknown
- Antonyms: known, notable and famous

The comparative words obscurer and obscurest are not as common as more obscure and most obscure.

Plain form
obscure

Third-person singular
obscures

Past tense
obscured

Past participle
obscured

Present participle
obscuring

(transitive) If someone obscures something, they darken it; they make it faint.
- Synonym: darken
- Antonym: lighten
(transitive) If someone obscures something, they hide it from sight; they put it out of sight.
- Synonyms: hide, mask and conceal
The fog obscured the road ahead of Sherry while she was driving.

The cloud was obscuring the light from the Sun while they moved over the Sun.