invalid

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

someone who is incapacitated by a chronic illness or injury (Freq. 1)
• Syn:
shut-in
• Hypernyms:
sick person, diseased person, sufferer
• Member Holonyms:
homebound

II - verb

1. force to retire, remove from active duty, as of firemen
• Hypernyms:
remove
• Verb Frames:
- Somebody ----s somebody
2. injure permanently
- He was disabled in a car accident
• Syn:
disable, incapacitate, handicap
• Derivationally related forms:
handicap (for: handicap), disablement (for: disable)
• Hypernyms:
injure, wound
• Hyponyms:
hock
• Verb Frames:
- Somebody ----s somebody
- Something ----s somebody

III - adjective

1. having no cogency or legal force
- invalid reasoning
- an invalid driver's license
• Ant:
valid
• Similar to:
bad, uncollectible, fallacious, unsound, false,
invalidated, nullified, null, void, sophistic, sophistical
• See Also:
illegitimate
• Derivationally related forms:
invalidness, invalidity
2. no longer valid
- the license is invalid
• Similar to:
expired

• Từ đồng nghĩa / Synonyms:
  shut-in, disable, incapacitate, handicap