1. (adjective) not likely to be true or to occur or to have occurred

• unlikely

2. (adjective) having a probability too low to inspire belief

• unbelievable
• unconvincing
• unlikely

3. (adjective) too improbable to admit of belief

• marvellous
• marvelous
• tall

1. (adjective) not likely to be true or to occur or to have occurred

• supposed

2. (adjective) having a probability too low to inspire belief

• implausible

3. (adjective) too improbable to admit of belief

• incredible
• unbelievable

1. (adjective) not likely to be true or to occur or to have occurred

• improbability
• improbability
• improbableness
• improbableness
• unlikelihood
• unlikeliness

2. (adjective) having a probability too low to inspire belief

• improbability
• improbableness
• unlikelihood
• unlikeliness

3. (adjective) too improbable to admit of belief

• improbability
• improbableness

1. (adjective) not likely to be true or to occur or to have occurred

• likely
• probable