Erect vs. Flaccid — What's the Difference?

Being in a vertical, upright position

(of part of the body) soft and hanging loosely or limply, especially so as to look or feel unpleasant

Being in a stiff, rigid physiological condition, especially as the result of sexual stimulation.

Lacking firmness; hanging limply

To construct by assembling

Lacking force, vigor, or effectiveness

To raise to a rigid or upright condition.

Flabby.

To fix in an upright position.

Soft; floppy.

To set up; establish

Lacking energy or vigor.

(Mathematics) To construct (a perpendicular, for example) from or on a given base.

Yielding to pressure for want of firmness and stiffness; soft and weak; limber; lax; drooping; flabby; as, a flaccid muscle; flaccid flesh.

Upright; vertical or reaching broadly upwards.

Lacking in strength or firmness or resilience;

(of body parts) Rigid, firm; standing out perpendicularly, especially as the result of stimulation.

Lacking firmness or stiffness;

(of a person) Having an erect penis.

(obsolete) Bold; confident; free from depression; undismayed.

(obsolete) Directed upward; raised; uplifted.

Watchful; alert.

(heraldry) Elevated, as the tips of wings, heads of serpents, etc.

(transitive) To put up by the fitting together of materials or parts.

(transitive) To cause to stand up or out.

To raise and place in an upright or perpendicular position; to set upright; to raise.

To spin up and align to vertical.

(transitive) To lift up; to elevate; to exalt; to magnify.

(transitive) To animate; to encourage; to cheer.

To cast or draw up (a figure of the heavens, horoscope etc.).

(intransitive) To enter a state of physiological erection.

(transitive) To set up as an assertion or consequence from premises, etc.

(transitive) To set up or establish; to found; to form; to institute.

Upright, or having a vertical position; not inverted; not leaning or bent; not prone; as, to stand erect.

Directed upward; raised; uplifted.

Bold; confident; free from depression; undismayed.

Watchful; alert.

Standing upright, with reference to the earth's surface, or to the surface to which it is attached.

Elevated, as the tips of wings, heads of serpents, etc.

To raise and place in an upright or perpendicular position; to set upright; to raise; as, to erect a pole, a flagstaff, a monument, etc.

To raise, as a building; to build; to construct; as, to erect a house or a fort; to set up; to put together the component parts of, as of a machine.

To lift up; to elevate; to exalt; to magnify.

To animate; to encourage; to cheer.

To set up as an assertion or consequence from premises, or the like.

To set up or establish; to found; to form; to institute.

To rise upright.

Construct, build, or erect;

Cause to rise up

Upright in position or posture;

Of sexual organs; stiff and rigid