What's the difference between iffy and questionable?

Iffy


Definition:

Example Sentences:

  • (1) Before you know it you can have a few iffy results.
  • (2) Iffy grooming habits are the least of Wolfowitz's worries as he takes on the presidency of the World Bank.
  • (3) If Sampson had a case for arguing that Rafferty’s inital push had been made marginally outside the area, he could have had no complaints when England – due £35,000 per woman bonuses had they lifted the trophy – won a distinctly iffy penalty of their own.
  • (4) The keeper has looked iffy today but letting that in would have made him absolutely whiffy.
  • (5) Arsenal’s players performed a cancan on the pitch at Highbury as fans chanted: “We are unbeatable.” After an iffy first half, they had won 2-1 to complete a full season without defeat in the league.
  • (6) It’s looking certainly more iffy than it did even just a few days ago.
  • (7) It's looking like an iffy pot, or a two cushion escape.
  • (8) Because now Nando's has been caught ploughing money into all manner of legal but morally iffy offshore tax havens, and the fragile castle of ideology that I have painstakingly constructed for myself has crumpled.
  • (9) When they mentioned figures, they were very iffy about whether they were positive or negative.
  • (10) 11.12pm BST Tweets Rory Murphy (@bogotabandit2) so @HunterFelt prediction already looking a bit iffy.
  • (11) Their only post-promotion victory came at Sunderland in August but, after a few slightly iffy performances, Ramírez was back to his elegant, subtly incisive, intelligent best during last Saturday’s encouraging 0-0 draw at Arsenal .
  • (12) Berlind's theory of ovum transmigration in the etiology of tubal pregnancy is revived and brought into line with Iffy's delayed ovulation-reflux hypothesis.
  • (13) In other words: Tonight is your chance to go crazy conspiracy theorists, feel free to examine the game tape surrounding every iffy call as if it were the Zapruder film.
  • (14) It might be one of the oldest methods of preserving fruit, but make sure you put them in an airtight container, and if you've had them for a while, now's the time to use them up – I'm a bit iffy about keeping any ingredient for longer than six months.
  • (15) Jarvis isn't interested in who celebrities are shagging: "People might be a bit iffy, but that's between them and their conscience.
  • (16) He’s the one that’s been very iffy and about his role and what he would like to do about immigration.” Reckless made the comments when he was challenged to spell out what would happen to a Polish plumber if Ukip had its way on Britain leaving the EU.
  • (17) Indeed, according to Jim Ward's account, only an iffy penalty decision kept Rams – Isthmian League Cup winners that season – out of the final against Wimbledon.
  • (18) It was a bit iffy when Garvey got to the bullying (he said "strong-willed" and "tough" too many times, like he'd spent a weekend with Miliband, brainstorming positive terms for "bastard").
  • (19) Everyone: Isn't it a bit iffy hanging around with her again?
  • (20) Asked about calls for an election pact, he said: “The internal wrangling of the Conservative party is no longer my problem … There is something a little bit iffy about the idea of pacts, because it suggests politicians fixing things for their convenience.

Questionable


Definition:

  • (a.) Admitting of being questioned; inviting, or seeming to invite, inquiry.
  • (a.) Liable to question; subject to be doubted or called in question; problematical; doubtful; suspicious.

Example Sentences:

  • (1) Recently, the validity of the American Thoracic Society (ATS) standards for selection of spirometric test results has been questioned based on the finding of inverse dependence of FEV1 on effort.
  • (2) Theoretical findings on sterilization and disinfection measures are useless for the dental practice if their efficiency is put into question due to insufficient consideration of the special conditions of dental treatment.
  • (3) Collins said she asked Sullivan several questions, including who the women were.
  • (4) A remarkable deterioration of prognosis with increasing age rises the question whether treatment with cytotoxic drugs should be tried in patients more than 60 years old.
  • (5) As the requirements to store and display these images increase, the following questions become important: (a) What methods can be used to ensure that information given to the physician represents the originally acquired data?
  • (6) These findings raise questions regarding the efficacy of medical school curriculum in motivating career choices in primary care.
  • (7) We are pursuing legal action because there are still so many unanswered questions about the viability of Shenhua’s proposed koala plan and it seems at this point the plan does not guarantee the survival of the estimated 262 koalas currently living where Shenhua wants to put its mine,” said Ranclaud.
  • (8) The Bohr and Root effects are absent, although specific amino acid residues, considered responsible of most of these functions, are conserved in the sequence, thus posing new questions about the molecular basis of these mechanisms.
  • (9) The Department of Health referred questions to Monitor.
  • (10) However, each of the studies had numerous methodological flaws which biased their results against finding a relationship: either their outcome measures had questionable validity, their research designs were inappropriate, or the statistical analyses were poorly conceived.
  • (11) testosterone, fentanyl, nicotine) may ultimately be administered in this way, important questions pertaining to pharmacology (tolerance), toxicity (irritation, sensitisation) and dose sufficiency (penetration enhancement) remain.
  • (12) Renal arteriography is therefore alone capable of answering two primordial questions: "Must surgery be undertaken and when operating, what surgical tactics to adopt".
  • (13) Tap the relevant details into Google, though, and the real names soon appear before your eyes: the boss in question, stern and yet oddly quixotic, is Phyllis Westberg of Harold Ober Associates.
  • (14) In our opinion, a carcinologically "malignant" metastatic myxoma remains a questionable pathological entity.
  • (15) Gwendolen Morgan, the lawyer at Bindmans dealing with the case, said: "We have grave concerns about the decision to use this draconian power to detain our client for nine hours on Sunday – for what appear to be highly questionable motives, which we will be asking the high court to consider.
  • (16) There are questions with regard to the interpretation of some of the newer content scales of the MMPI-2, whereas most clinicians feel comfortably familiar, even if not entirely satisfied, with the Wiggins Content Scales of the MMPI.
  • (17) Patients' and therapists' discourses can be analysed from tape recordings or from their responses to open-ended questions.
  • (18) The question addressed by this study is whether patients with other pharyngeal pouch malformations could also have immunologic abnormalities.
  • (19) Movies such as Concussion , about the dissatisfactions of a bourgeois lesbian marriage, are already starting to ask these questions.
  • (20) What if the court of justice refuses to answer the question?