Antonym: creditable. Similar words: creditable, discredit, predictable, unpredictable, credit, creditor, on credit, credited. Meaning: [-təbl] 
adj. tending to bring discredit or disrepute; blameworthy.
adj. tending to bring discredit or disrepute; blameworthy. 
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1) She had been suspended from her job for discreditable behaviour.
2) They felt as though they had done something discreditable and unclean.
3) This fact is not necessarily discreditable.
4) It was too late for that, and nothing discreditable had leapt out from Greg's perusal.
5) His marks were not at all discreditable.
6) To make known ( something discreditable ).
7) Bit by bit ,(http://sentencedict.com/discreditable.html) she extracted from him discreditable history.
8) It is sad and discreditable, but some of the Philanthropists often become weary of well - doing.
9) But that he did, or wanted to do, anything discreditable is quite untrue.
10) Others again desire knowledge in order to acquire money or preferment by it; that too is a discreditable quest.
11) PLAGIARISM, n . A literary coincidence compounded of a discreditable priority and an honorable subsequence.
12) Whenever a man does anything unexpected, his fellows ascribe it to the most discreditable motives.
13) The third part analyzes the present situation of the financial credit in our enterprises and points out the causes for some discreditable financial actions in some enterprises.
More similar words: creditable, discredit, predictable, unpredictable, credit, creditor, on credit, credited, accredit, discreet, discrete, tax credit, hereditary, credit card, accredited, discretion, indiscreet, discreetly, credit union, credit limit, discrepancy, line of credit, credit bureau, credit report, credit crunch, credit rating, indiscreetly, indiscretion, credit balance, credible.