1. plural of erectness; the quality or state of being upright, vertical, or standing straight
Usage: typically used in formal or technical contexts
2. plural of erectness; the quality of being alert, attentive, or dignified in bearing or manner
Usage: formal usage

Examples

• The erectnesses of the columns supported the weight of the roof.
• She maintained the erectnesses of her posture throughout the ceremony.
• The erectnesses of the soldiers' stances impressed the visiting dignitaries.
• Good posture requires the erectnesses of the spine and shoulders.
• The erectnesses of attention in the classroom indicated student engagement.