Find the odd number / letters / word from the given alternative:

Stale : Fresh
Truth : Lie
Slow : Sluggish
Teach : Learn

The odd one out is C. Slow : Sluggish.

The other three pairs are antonyms. Stale is the opposite of fresh, truth is the opposite of lie, and teach is the opposite of learn. Sluggish is not an antonym of slow. It is a synonym.

Sluggish means slow or lazy. Slow means not moving or happening quickly.

Here are some examples of how the words in the other three pairs can be used in sentences:

  • The bread was stale, so I threw it away.
  • I don’t believe that lie.
  • I’m going to teach you how to play the guitar.
  • I’m still learning how to drive.