polar.

1. Relating to Earth's poles or the ends of an axis.

2. Situated at opposite extremes of a range or position.

3. Having separated positive and negative regions of electrical charge.

Use it for

Words that belong together

• polar waters
• polar axis

On the page

The vessel entered polar waters before sunrise.

Usage notes

Primary category: setting / environment. Forms: Normally non-gradable; no ordinary comparative or superlative. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.