Definition of "suspicious"

suspicious

/səˈspɪʃ.əs/

adjective
comparative more suspicious, superlative most suspicious
1. Arousing suspicion.
  Quotations
  If their views were entrancing their sanitation was primeval; if they possessed stables they were also next to the gas-works; if their gardens were delightful there were odours suspicious of mice in the bedrooms.
  1957, H. E. Bates, Death of a Huntsman
2. Distrustful or tending to suspect.
  Quotations
  Betraide by fortune and ſuſpitious loue,Threatned with frowning wrath and iealouſie,Surpriz’d with feare and hideous reuenge,I ſtand agaſt: […]
  c. 1587–1588, [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire, London: Scolar Press, 1973, Act III, scene ii
3. Expressing suspicion