Not simple, easy, or straightforward; complicated.
A curve, polygon or other figure that crosses or intersects itself.
Having the form a + bi, where a and b are real numbers and i is (by definition) the imaginary square root of −1.
Made up of multiple parts; composite; not simple.
Whose range is a subset of the complex numbers.
Whose coefficients are complex numbers; defined over the field of complex numbers.
A structure consisting of a central atom or molecule weakly connected to surrounding atoms or molecules, as for example coordination complexes in inorganic chemistry and protein complexes in biochemistry.
A multimorphemic word, one with several parts, one with affixes.
A problem.
An abnormal mental condition caused by repressed emotions.
An assemblage of related things; a collection.
A cluster of wildfires burning in the same vicinity.
A group of closely related species, often distinguished only with difficulty by traditional morphological methods.
An organized cluster of thunderstorms.
A vehement, often excessive psychological dislike or fear of a particular thing.
A complex number.
A collection of buildings with a common purpose, such as a university or military base.
A network of interconnected systems.
To complicate.
To form a complex with another substance
Requiring little or no interaction.
Not busy, of low quantity.
Not talking much or not talking loudly; reserved.
With little or no sound; free of disturbing noise.
Not showy; undemonstrative.
Having little motion or activity; calm.
The absence of sound; quietness.
The absence of movement; stillness, tranquility.
The absence of disturbance or trouble; peace, security.
To become quiet or calm.
To cause (someone or something) to become quiet.
Be quiet.