[syn: witness, witnesser, informant]
The Collaborative International Dictionary of English v.0.48:
Informant \In*form"ant\, n. [L. informans, -antis, p. pr. of
informare. See Inform, v. t.]
1. One who, or that which, informs, animates, or vivifies.
2. One who imparts information or instruction.
3. One who offers an accusation; an informer. See Informer.
[Obs. or R.]
It was the last evidence of the kind; the informant
was hanged. --Burke.
WordNet (r) 3.0 (2006):
n 1: a person who supplies information [syn: informant,
2: someone who sees an event and reports what happened [syn:
witness, witnesser, informant]
Moby Thesaurus II by Grady Ward, 1.0:
51 Moby Thesaurus words for "informant":
adviser, announcer, annunciator, attestant, attestator, attester,
authority, bystander, channel, cojuror, communicant, communicator,
compurgator, deponent, earwitness, enlightener, examinant,
examinate, examinee, expert witness, eyewitness, gossipmonger,
grapevine, information center, information medium, informer,
interviewee, monitor, mouthpiece, newsmonger, notifier, passerby,
press, public relations officer, publisher, questionee, quizzee,
radio, reporter, source, spectator, spokesman, subject, swearer,
television, teller, testifier, tipster, tout, voucher, witness