Describing Weight and Steadiness: English Vocabulary List

having or seeming to have no or little weight, caused by the absence of gravity

"The object is weightless in water."

"The astronauts felt weightless as soon as their spacecraft left the Earth's atmosphere and entered the dark space."

not stable, shaky, or likely to move or fall

"The ladder is unsteady."

"The unsteady ladder made him feel nervous as he climbed up to paint the ceiling of the living room."