Meaning & Definition of Notion in English

1. A vague idea in which some confidence is placed

• "His impression of her was favorable"

• "What are your feelings about the crisis?"

• "It strengthened my belief in his sincerity"

• "I had a feeling that she was lying"

2. A general inclusive concept

3. An odd or fanciful or capricious idea

• "The theatrical notion of disguise is associated with disaster in his stories"

• "He had a whimsy about flying to the moon"

• "Whimsy can be humorous to someone with time to enjoy it"

4. (usually plural) small personal articles or clothing or sewing items

• "Buttons and needles are notions"