Webster's Revised Unabridged Dictionary · 1913

Suspect

Suspect , adjective

[Latin suspectus, past participle of suspicere to look up, admire, esteem, to look at secretly or askance, to mistrust; sub under + specere to look: compare French suspect suspected, suspicious. See Spy, and compare Suspicion.]

1.
Suspicious; inspiring distrust. [Obsolete]
Suspect [was] his face, suspect his word also. — Chaucer
2.
Suspected; distrusted. [Obsolete]
What I can do or offer is suspect. — Milton

Suspect , noun

[Late Latin suspectus. See Suspect, a.]

1.
Suspicion. [Obsolete] — Chaucer
So with suspect, with fear and grief, dismayed. — Fairfax
2.
One who, or that which, is suspected; an object of suspicion; -- formerly applied to persons and things; now, only to persons suspected of crime. — Bacon

Suspect , transitive verb

1.
To imagine to exist; to have a slight or vague opinion of the existence of, without proof, and often upon weak evidence or no evidence; to mistrust; to surmise; -- commonly used regarding something unfavorable, hurtful, or wrong; as, to suspect the presence of disease.
Nothing makes a man suspect much, more than to know little; and therefore men should remedy suspicion by procuring to know more. — Bacon
From her hand I could suspect no ill. — Milton
2.
To imagine to be guilty, upon slight evidence, or without proof; as, to suspect one of equivocation.
3.
To hold to be uncertain; to doubt; to mistrust; to distruct; as, to suspect the truth of a story. — Addison
4.
To look up to; to respect. [Obsolete]

Suspect , intransitive verb

To imagine guilt; to have a suspicion or suspicions; to be suspicious.
If I suspect without cause, why then make sport at me. — Shakespeare