oil and water

Famously incompatible pair

Oil and water describes two things that don't mix or combine well.

The phrase comes from the physical fact that oil floats on water rather than dissolving into it.

It typically characterizes incompatible people, ideas, or elements: Those two are oil and water—they can't be in the same room without arguing.

His management style and creative freedom are oil and water.

Opposites
compatibility and harmony

oil and waterpeas in a pod

Extremely similar things

two peas in a pod · hand in glove · milk and honey · bread and butter · birds of a feather

unity and cohesion

oil and waterinseparable

Unable to be divided

joined at the hip · one and the same · blended · integrated · unified

mixture behavior

oil and watermiscible

Able to blend homogeneously

soluble · blended · emulsified · integrated · unified

Family

water, oily, oiled, oils, oiling, petroleum, oiliness, oilcloth, oilcan

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G