solidness

Quality of density

Solidness is the quality of being solid—firm, substantial, and reliable.

A table's solidness comes from sturdy construction.

The solidness of an argument lies in its logical foundation.

The word overlaps with solidity, though solidness appears less frequently and sounds slightly more informal: I appreciated the solidness of the old brick walls.

physical

firmness

Resistance to deformation

density · compactness · thickness · heaviness · massiveness · impenetrability · durability · toughness · robustness · substantiality

structural

stability

Resistance to displacement

anchorage · sturdiness · strength · reinforcement · integrity · soundness · load-bearing · framework · bracing · buttressing

reliability

dependability

Consistent trustworthy nature

faithfulness · credibility · soundness · assurance · security · certainty · constancy · proven · guaranteed · unfailing

resolve

determination

Firmness of purpose

tenacity · fortitude · unwavering · commitment · conviction · perseverance · staunchness · backbone · grit · willpower

Categories
Opposites
physical substance and density

solidnesshollowness

State of being empty inside

porousness · flimsiness · insubstantiality · emptiness · airiness

structural stability and durability

solidnessflimsiness

Lack of strength

fragility · shakiness · weakness · crumbliness · instability

reliability and trustworthiness

solidnessunreliability

Tendency to disappoint expectations

dubiousness · shakiness · dodginess · questionableness · doubtfulness

Family

solid, solidify, solidity, solids, consolidate, solidly, solidified, consolidation, solidifying

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G