unbelievable
[adjective]
Synonyms: incredible, astonishing, far-fetched, implausible, impossible, improbable, inconceivable, preposterous, unconvincing

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Antonyms: believable, credible

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English Thesaurus: surprising, astonishing/astounding, extraordinary, amazing, staggering, ...

[TahlilGaran] English Synonym Dictionary ▲

un‧be‧liev‧a‧ble S3 /ˌʌnbəˈliːvəbəl◂, ˌʌnbɪˈliːvəbəl◂/ adjective
[Word Family: noun: belief, disbelief, believer; adjective: believable ≠ unbelievable, disbelieving; verb: believe ≠ disbelieve; adverb: unbelievably]

1. very good, successful, or impressive Synonym : amazing:
The opportunities are unbelievable.
an unbelievable talent

2. very bad or shocking Synonym : terrible:
The pain was unbelievable.
acts of unbelievable cruelty
It was unbelievable that we were expected to pay twice.

3. so extreme that it hardly seems possible:
He’s so lazy it’s unbelievable.
an unbelievable speed

4. very difficult to believe and therefore probably untrue:
Yvonne’s excuse for being late was totally unbelievable.
—unbelievably adverb:
an unbelievably bad movie

[TahlilGaran] Dictionary of Contemporary English ▲

unbelievable
adj.
VERBS be, seem, sound | become | find sth I find this quite unbelievable.
ADV. really | completely, quite, totally | just, simply | almost | pretty
PREP. to It's simply unbelievable to me.

[TahlilGaran] Collocations Dictionary ▲

surprising making you feel surprised:
It’s surprising how quickly you get used to it.
We got some very surprising results.
astonishing/astounding very surprising. Astounding sounds a little more formal and a little stronger than astonishing:
The results of the tests were astounding.
Things are changing at an astonishing speed.
extraordinary very unusual and surprising:
It is extraordinary that such a young boy should be so good at maths.
amazing very surprising – used especially about good or impressive things:
an amazing achievement
It’s amazing what you can do when you really try.
staggering very surprising, especially by being so large:
The project cost a staggering $8 million.
unbelievable (also incredible) so surprising that you can hardly believe it:
It is unbelievable that she is only the same age as me.
The incredible thing is that he thinks he is ugly.

[TahlilGaran] English Thesaurus ▲