unreliable

adj.

Marked by or exhibiting a lack of reliability.

unreliability un're·li'a·bil'i·ty or un're·li'a·ble·ness n.
unreliably un're·li'a·bly adv.

adjective

1. So weak or defective as to be liable to fail: trick, undependable. See strong/weak.
2. Not to be depended on: undependable, untrustworthy. See trust/distrust.

adj

Definition: not trustworthy, not true
Antonyms: honest, reliable, responsible, true, trustworthy

---

Note: click on a word meaning below to see its connections and related words.

The adjective has 5 meanings:

Meaning #1: liable to be erroneous or misleading
  Synonym: undependable

Meaning #2: not to be trusted
  Synonym: undependable

Meaning #3: not worthy of reliance or trust
  Synonym: undependable
  Antonym: reliable (meaning #1)

Meaning #4: dangerously unstable and unpredictable
  Synonym: treacherous

Meaning #5: lacking a sense of responsibility

---

Dansk (Danish)
adj. - upålidelig

Nederlands (Dutch)
onbetrouwbaar

Français (French)
adj. - douteux, peu sûr, peu fiable, discutable

Deutsch (German)
adj. - unzuverlässig

Ελληνική (Greek)
adj. - αναξιόπιστος, μη έμπιστος

Italiano (Italian)
malfido

Português (Portuguese)
adj. - em que não se pode confiar, duvidoso

Русский (Russian)
ненадежный

Español (Spanish)
adj. - inconstante, inestable, de poca confianza, poco fiable

Svenska (Swedish)
adj. - opålitlig, ovederhäftig, otillförlitlig

中文（简体）(Chinese (Simplified))
不可靠的

中文（繁體）(Chinese (Traditional))
adj. - 不可靠的

한국어 (Korean)
adj. - 신뢰할 수 없는, 믿어지지 않는

日本語 (Japanese)
adj. - あてにならない, 信頼できない

العربيه (Arabic)
‏(صفه) لا يعول عليه, غير جدير بالثقه, غير موثوق به, لا يعتمد عليه‏

עברית (Hebrew)
adj. - ‮שאין לסמוך עליו, לא יציב, לא מהימן‬

If you are unable to view some languages clearly, click here.

To select your translation preferences click here.