Pertaining to or dependent on circumstances, especially as opposed to essentials; incidental, not essential. / Abounding with minor circumstances; in great detail; particular.

(chiefly in the plural) Something incidental to the main subject, but of less importance.

Something which is related to, or in some way affects, a fact or event. / An event; a fact; a particular incident. / Circumlocution; detail.

To place in a particular situation, especially with regard to money or other resources.

Carefully aware of all circumstances; considerate of all that is pertinent.

A diacritical mark (ˆ) placed over a vowel in the orthography or transliteration of many languages to change its pronunciation; while in some other languages over a consonant.

Having a circumflex mark. / Curving around.

To mark or pronounce with a circumflex.

A route, taken by intercontinental aircraft for instance, which is the shortest distance between two destinations on the surface of the Earth; an arc of a great circle.

(geometry) A circle defined as the intersection of the surface of a sphere and a plane which passes through the centre of the sphere.