Synonyms of the word

faulty

• adj. Having or displaying faults; not perfect; not adequate or acceptable.
• adj. (obsolete) At fault, to blame; guilty.

defective

• adj. Having one or more defects.
• adj. (grammar, of a lexeme, especially a verb) lacking some forms; e.g., having only one tense or being usable…
• n. A person or thing considered to be defective.

imperfect

• adj. Not perfect.
• adj. (botany) unisexual: having either male (with stamens) or female (with pistil) flowers, but not with both.
• adj. (taxonomy) Known or expected to be polyphyletic, as of a form taxon.
• adj. (obsolete) Lacking some elementary organ that is essential to successful or normal activity.
• n. Something having a minor flaw.
• n. (grammar) A tense of verbs used in describing a past action that is incomplete or continuous.
• v. (transitive) To make imperfect.

inaccurate

• adj. Mistaken or incorrect; not accurate.