groundless

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

without a basis in reason or fact (Freq. 1)
- baseless gossip
- the allegations proved groundless
- idle fears
- unfounded suspicions
- unwarranted jealousy
• Syn:
baseless, idle, unfounded, unwarranted, wild
• Similar to:
unsupported
• Derivationally related forms:
idleness (for: idle)

• Từ đồng nghĩa / Synonyms:
  baseless, idle, unfounded, unwarranted, wild