✅ Contravene means to go against, deny, or oppose (I was forced to contravene his instructions).

✅ Gainsay means to oppose, dispute, or contradict (It’s not my place to gainsay the argument).

✅ These two words have similar meanings. They both mean to oppose or deny something, usually a statement (The new spokesperson directly contravened the previous announcement; She made a declaration that could not be gainsaid).

✅ Gainsay comes from Middle English and is rare in modern English, whereas contravene comes from Latin and is used often in legal matters.

✅ Polychromatic means that something has a lot of colors (The polychromatic display was a feast for the senses).

✅ Kaleidoscopic means that something changes color, pattern, and shape in a rhythmic or swirling way (The rainbow window decorations made kaleidoscopic patterns on the wall).

✅ Both of these words can describe things that have many different colors.

✅ However, kaleidoscopic also suggests lots of different moving patterns and shapes.

✅ Fatigue means to make someone weary through mental or physical exertion (Our week-long hike fatigued me greatly).

✅ Exhaust means to drain someone’s strength through exertion (I exhausted myself running around all day).

✅ Both of these words mean to tire someone out.

✅ Fatigue suggests a more persistent or chronic feeling of tiredness than exhaust (Walking up the stairs fatigues me more now after my illness).