Suspicious, or of dubious character.
Experiencing or showing doubt, sceptical.
Subject to, or causing doubt.
Improbable or unlikely.
Unclear or unreliable.
Undecided or of uncertain outcome.
A doubtful person or thing.
Fuzzy.
A Papuan, especially one who assisted the Australian military against the Japanese; a Fuzzy Wuzzy Angel.
A Hadendoa warrior of the Mahdi army in the 19th century.