person inclined to question or doubt accepted opinions. Doubtful person; one who doubts the truth of.

To put object on public display, e.g. in a gallery.

widely accepted as authoritative or true. To allow someone to become a member (of a club).

officially compulsory, or otherwise considered essential. To need something, to make it necessary.

Being first made, thought or performed; fresh. earliest form of something.

despite prevailing circumstances.

of or from outside earth or its atmosphere. hypothetical or fictional being from outer space.

gesture, action, or sound that is used to convey information or instructions. Road-side lights that direct traffic to go or stop. To be evidence/an indication something will happen.

without break in continuity.

relating to broadcasts. by scattering. radio or television programme. transmit by radio or television.

To attract and hold e.g. interest, attention.

person who carries out academic or scientific research. People who work to find new facts and ideas.

(of firearm) capable of firing several shots in succession without reloading. To say something you have learned and memorized.

feature or quality belonging typically to person. Qualities that are typical of a person or things.

thing that bears weight of something or keeps it upright. To hold up or prevent from falling down.