adj.

1. Having little or no weight.
2. Not experiencing the effects of gravity.

weightlessly weight'less·ly adv.
weightlessness weight'less·ness n.

adjective

Having little weight; not heavy: light², lightweight. Idioms: light as a feather. See heavy/light.

In horses induces osteoporosis if the period of weightlessness is long enough; in dogs the effects of weightlessness are confused with those of head-out immersion in water.

Note: click on a word meaning below to see its connections and related words.

The adjective has one meaning:

Meaning #1: having little or no weight or apparent gravitational pull; light
  Antonym: weighty (meaning #1)

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Dansk (Danish)
adj. - vægtløs

Nederlands (Dutch)
gewichtloos

Français (French)
adj. - (lit) d'apesanteur, en apesanteur, (fig) léger

Deutsch (German)
adj. - schwerelos

Ελληνική (Greek)
adj. - αβαρής

Italiano (Italian)
senza peso

Português (Portuguese)
adj. - leve

Русский (Russian)
невесомый

Español (Spanish)
adj. - ingrávido, sin peso

Svenska (Swedish)
adj. - viktlös

中文（简体） (Chinese (Simplified))
无重量的, 无重力的

中文（繁體） (Chinese (Traditional))
adj. - 無重量的, 無重力的

한국어 (Korean)
adj. - 매우 가벼운, 무중력의

日本語 (Japanese)
adj. - 重量のない, 重力のない, 無重力の

العربيه (Arabic)
‏(صفه) عديم الأهميه, عديم الوزن‏

עברית (Hebrew)
adj. - ‮נטול-משקל, לא מושפעת, כנראה, מכוח-המשיכה (חללית הנעה במסלול סביב כוכב)‬

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