unreliable

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. liable to be erroneous or misleading (Freq. 2)
- an undependable generalization
• Syn:
undependable
• Similar to:
fallible
• Derivationally related forms:
unreliableness, undependableness (for: undependable)
2. dangerously unstable and unpredictable
- treacherous winding roads
- an unreliable trestle
• Syn:
treacherous
• Similar to:
dangerous, unsafe
• Derivationally related forms:
unreliableness
3. not worthy of reliance or trust
- in the early 1950s computers were large and expensive and unreliable
- an undependable assistant
• Syn:
undependable
• Ant:
dependable (for: undependable), reliable
• Similar to:
erratic, temperamental, uncertain, unsound
• See Also:
untrustworthy, untrusty
• Derivationally related forms:
undependableness (for: undependable), undependability (for: undependable), unreliableness, unreliability
4. lacking a sense of responsibility
• Similar to:
irresponsible
• Derivationally related forms:
unreliableness, unreliability

• Từ đồng nghĩa / Synonyms:
  treacherous, undependable
• Từ trái nghĩa / Antonyms:
  reliable, dependable