suspicious
adjective /səˈspɪʃəs/
  /səˈspɪʃəs/
Word Family
- suspect verb
 - suspected adjective
 - suspicion noun
 - suspicious adjective
 - suspiciously adverb
 - suspect noun adjective
 
- suspicious (of/about somebody/something) feeling that somebody has done something wrong, illegal or dishonest, without having any proof
- They became suspicious of his behaviour and contacted the police.
 - a suspicious look
 - You have a very suspicious mind (= you always think that people are behaving in an illegal or dishonest way).
 
Extra Examples- His voice grew faintly suspicious.
 - I think they're starting to get suspicious.
 - Something about her smile made him suspicious.
 - They were somewhat suspicious about her past.
 - She cast a suspicious glance at him.
 
Oxford Collocations Dictionaryverbs- be
 - feel
 - look
 - …
 
- extremely
 - fairly
 - very
 - …
 
- about
 - of
 
- be right to be suspicious (of somebody/something)
 - have reason to be suspicious (of somebody/something)
 - have a right to be suspicious (of somebody/something)
 - …
 
 - making you feel that something is wrong, illegal or dishonest
- Didn't you notice anything suspicious in his behaviour?
 - She died in suspicious circumstances.
 - Police are not treating the fire as suspicious.
 - It might look suspicious if we arrived together.
 - It was all very suspicious.
 
Extra ExamplesTopics Personal qualitiesc1, Crime and punishmentc1- He was seen acting in a highly suspicious manner.
 - I find it very suspicious that he left halfway through the morning.
 - Inform the police immediately if you see anything suspicious.
 - We have to carry on as usual or it would look suspicious.
 
Oxford Collocations Dictionaryverbs- be
 - look
 - seem
 - …
 
- extremely
 - fairly
 - very
 - …
 
- hear anything suspicious
 - see anything suspicious
 
 - suspicious (of somebody/something) not willing or able to trust somebody/something synonym sceptical
- I was suspicious of his motives.
 - Many were suspicious of reform.
 
Extra Examples- British voters are rightly suspicious of attempts to save money in the area of education.
 - Parents have every right to be suspicious of what the experts tell them.
 - She remained deeply suspicious of computers.
 
Oxford Collocations Dictionaryverbs- be
 - feel
 - look
 - …
 
- extremely
 - fairly
 - very
 - …
 
- about
 - of
 
- be right to be suspicious (of somebody/something)
 - have reason to be suspicious (of somebody/something)
 - have a right to be suspicious (of somebody/something)
 - …
 
 
Word OriginMiddle English: from Old French suspicious, from Latin suspiciosus, from suspicio(n-) ‘suspicion’.