Weightiness

weight·y  (wt)

adj. weight·i·er, weight·i·est

1. Having considerable weight; heavy. See Synonyms at heavy.

2. Burdensome; oppressive: weighty problems.

3. Of great consequence; momentous: the weighty matters before the delegates at the peace talks.

4. Having great power or influence: a weighty argument.

5. Solemn; serious: weighty music.

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weighti·ly adv.

weighti·ness n.

Thesaurus

Noun	1.	weightiness - the relative importance granted to something; "his opinion carries great weight"; "the progression implied an increasing weightiness of the items listed" weight importance - the quality of being important and worthy of note; "the importance of a well-balanced diet"
	2.	weightiness - the property of being comparatively great in weight; "the heaviness of lead" heaviness weight - the vertical force exerted by a mass as a result of gravity heft, ponderosity, ponderousness, heftiness, massiveness - the property of being large in mass preponderance - exceeding in heaviness; having greater weight; "the least preponderance in either pan will unbalance the scale"