In the following question, out of the four given alternatives, select the one which best expresses the meaning of the given word.
Rigid

The correct answer is “inflexible."
Explanation:
· "Rigid" means "stiff, not able to bend or change easily."
Synonyms: inflexible, strict, unyielding, firm, stiff. Antonyms: flexible, lenient, yielding, soft, adaptable.
· "Inflexible" is the best synonym because it also means "unable to bend or be changed easily."
Meanings of other options:
· “Limber" – Means "flexible or able to bend easily" (opposite of "rigid").
· “Lax" – Means "not strict or firm", which is also an opposite meaning.
· “Pliant" – Means "easily bent or influenced" (opposite of "rigid").
Examples:
The rules at school are rigid and must be followed strictly.
His rigid attitude makes it difficult to work with him.
Corrected Sentence:
"Rigid means inflexible or unbending."