frequently_asked_questions_files/Oxford Thesaurus.pdf

dishonest, treacherous, traitorous, insincere, hypocritical,
double-dealing, false: It was Maria who exposed Fernando as a
double agent.
--v. 6 duplicate, replicate; copy; increase, enlarge; magnify:
We'll have to double our milk order.
--n. 7 twin, duplicate, copy, replica, facsimile, clone, copy,
counterpart, doppelg„nger, look-alike, stand-in, understudy,
Slang (dead) ringer, spitting image or spit and image: He could
be Clint Eastwood's double. 8 at or on the double. quickly, on
the run, at full speed or tilt, briskly, immediately, at once,
without delay, Slang p.d.q. (= 'prety damned quick'): Put down
that book and come over here on the double!
double-cross
v. cheat, defraud, swindle, hoodwink, trick, betray, deceive,
mislead, play false with, Colloq two-time: He swore he'd give
me the money but he double-crossed me and kept it himself.
doubt v. 1 disbelieve, discredit, mistrust, distrust, have misgivings
(about), question, suspect: I doubted his ability to beat the
record. 2 hesitate, waver, vacillate, fluctuate, scruple, be
uncertain, entertain doubts, have reservations: Who ever
doubted about her honesty?
--n. 3 uncertainty, hesitation, misgiving, reservation(s),
qualm, anxiety, worry, apprehension, disquiet, fear: He has
harboured doubts about the success of the enterprise. 4
distrust, mistrust, suspicion, incredulity, scepticism,
dubiousness, dubiety or dubiosity, lack of faith or conviction,
irresolution: Her doubts about his intentions have evaporated.
5 in doubt. See doubtful, below.
doubtful adj. 1 in doubt, dubious, questionable, open to question,
problematic, debatable, disputable, uncertain, unpredictable,
indeterminate, unsettled, unresolved, conjectural, indefinite,
unclear, obscure, vague, anybody's guess , Colloq up in the air:
The result is very doubtful. 2 sceptical, unconvinced,
distrustful, mistrustful, suspicious, uncertain, unsure,
hesitant, hesitating, vacillating, indecisive: I am doubtful
whether an investigation will yield anything. 3 dubious,
questionable, shady, louche, disreputable, controversial: Those