DUBIOUS
ADJECTIVES
1380 ► DOUBTY dubious, doubtful; hazardous → obs.
1612 ► LEFT-HANDED dubious; irregular; illicit
1635 ► UMBRAGEOUS → UMBRAGIOUS dubious, obscure → obs.
1720 ► QUISQUIS dubious, perplexing, doubtful, debateful → Sc. obs.
1720 ► QUISQUOSE dubious, perplexing, doubtful, debateful → Sc.
1818 ► DUBEROUS dubious, doubtful, uncertain, suspicious → Eng. & Amer. dial.
1837 ► DUBERSOME dubious, doubtful
1871 ► JUBEROUS dubious, doubtful → Amer. dial.
1913 ► DUBROUS dubious, doubtful, dangerous → Amer. dial. (Bk.)
1913 ► JUBERSOME dubious, doubtful → Amer. dial. (Bk.)
1927 ► MISDOUBTFUL dubious, uncertain → Amer. dial.
2006 ► FISHY dubious; questionable; likely to be improper or illegal → US sl. (Bk.)
NOUNS
..18C ► MONKEY TRICKS dubious activities → sl.
.M19 ► QUEER PAPER something dubious or unreliable → sl.
1903 ► RIG anything dubious, as a knockout, a cross fight, a cheat, confidence trick (Bk.)
DUBIOUS – NOUNS, PERSON
1978 ► TALLY-BOY a dubious, dishonest person → Irish sl.
2004 ► TARRY-BOY a dubious, dishonest person → sl.
VERBS
1555 ► HANG IN THE WIND to be or remain in dubious suspense; to be doubtful, undecided; to be irresolute, to vacillate