common
providing a warning about a common mistake.
the sharing of common ancestors within the species' evolutionary history.
There is a type of material called Aerogel. The most common form is made of Silicon. The Silicon Aerogel is the best known insulator in the world, as well as being the least dense. Aerogel is made by removing all of the liquids from silica gel and replacing it with air.
Bazooka tubes are used in cars to ensure a good Bass sound. Bazooka tubes are one of the most common Bass tubes available and are generally considered one of the best.
Usually nonmetals. Rubber, plastic, wood, cloth, paper, Styrofoam, tinfoil (to reflect the heat.)The most common insulator for electricity is plastic.
The best ones I can thing of are usual and common.
Some common antonyms for tranquil are:chaosanarchydisturbance
The best antonym for pessimism is optimism.
An antonym for the word 'worst' is 'best'.
The best things in life are both free and surprising.
Surprising and psychological (apex)
worst
Worst
A possible, not necessarily the best antonym for conclave is disassemble. Hope this helps
willing
test
harmless