Abstruse-Obtuse | Commonly Confused Words
Learn languages with fun

Master confusing words with ease

Abstruse vs. Obtuse

Abstruse

/əbˈstruːs/
Difficult to understand or complex

Examples:

The scientist's theory was considered abstruse by many of her peers.Despite his best efforts, the abstruse text eluded his understanding.Philosophy often dives into abstruse concepts that challenge the mind.

Synonyms:

Antonyms:

Obtuse

/əbˈtjuːs/
Not quick or alert in perception, feeling, or intellect; not sensitive or observant

Examples:

Her obtuse angle of reasoning puzzled the mathematicians.The novel's obtuse symbolism left readers debating its meaning.Despite his obtuse nature, his enthusiasm was infectious.

Synonyms:

Antonyms:

Ways to tell them apart:

etymology
  • Obtuse relates to something not sharp or clear, think of an obtuse angle in geometry which is more than 90 degrees.
  • Abstruse is used to describe something very difficult to understand, think of abstract art which can be hard to interpret.
  • Remember that obtuse is often used to describe people who are slow to perceive something, while abstruse is used for complex ideas or theories.
© 2025 Lithium Lab Pte Ltd