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1. Ridiculous (adjective)
Meaning: Deserving to be laughed at; absurd.
Example: You look ridiculous in those tight jeans.
2. Expedition (noun)
Meaning: Making a journey or voyage for a definite purpose.
Example: Send a party of men on an expedition to the Antarctic.
3. Eventually (adverb)
Meaning: In the end.
Example: He fell ill and eventually died.
4. Communication (noun)
Meaning: The act of communicating; that which is communicated; means of communicating
Example 1: I must get into communication with him on this subject.
Example 2: This communication is confidential.
Example 3: All communication with the north has been stopped by snowstorms.
5. Cosmonaut (noun)
Meaning: Astronaut who travels in a spacecraft.
Example: I am a cosmonaut.
6. Instrument (noun)
Meaning: Implement, apparatus, used in performing an action, espeically for delicate or scientific work; apparatus for producing musical sounds; person used by another for his own purposes; formal document
Example 1: Optical instruments
Example 2: Piano is a musical instrument.
Example 3: He is being made the instrument of another's crime.
Example 4: The King signed the instrument of abdication.