Yes, rigid is an adjective. Rigidly is an adverb. Rigidity is a noun.
The answer to the analogy "rigid is to flexible" is "strict is to lenient." Just as rigid and flexible are opposite in terms of stiffness, strict and lenient are opposite in terms of severity.
The word "pliable" completes the analogy. Rigid is to flexible as inflexible is to pliable.
Graphene is considered the most rigid material known to man.
Something rigid is stiff and not easily bendable or flexible. It does not easily change shape or position.
An adjective
The word "rigid" can function as both an adjective and a noun. As an adjective, it describes something that is stiff, inflexible, or unyielding. As a noun, it refers to a structure or framework that is strong and does not easily bend or change shape.
Rigid is an adjective, it describes a noun. A noun is a person, place, thing, or idea. The noun forms are rigidity and rigidness.
The rigidity of the law frightened a majority of the states.
That is the correct spelling for the adjective "rigid" (stiff, unbending).The similar word is ridged, ("rijd") meaning having ridges or creases.
Rigid is immovable, unbending. Semi-rigid can move in a limited way.
Adjectives that are synonyms for prim can include demure, formal, proper, prudish, or stuffy. The last two have negative connotations (too stiff, rigid, or stern).
no they are not rigid.
compatible, consonant, constant, equable, even, fated, fateful, fixed, habitual, homogeneous, immutable, incorrigible, inflexible, invariable, irreversible, level, methodical, monolithic, normal, of a piece, ordered, orderly, ossified, plumb, regular, reliable, rigid, smooth, stable, static, steady, straight, symmetrical, systematic, true, unalterable, unbroken, unchanging, undeviating, undiversified, unfluctuating, unmodifiable, unvarying, well-balanced, well-proportioned
Rigid polystyrene is a hard plastic Rigid polystyrene is a hard plastic
Firm; stiff; unyielding; not pliant; not flexible., Hence, not lax or indulgent; severe; inflexible; strict; as, a rigid father or master; rigid discipline; rigid criticism; a rigid sentence.
most rigid
(rigid - unbending, unyielding, or stiff. Also strict, inflexible, or unchanging.)The Sandwiches were packed in a rigid plastic container.Each morning he has a rigid exercise routine.The military school had a rigid code of conduct.