different between rigidity vs rigorous

English

Etymology

rigid +? -ity, from Latin rigiditas.

Pronunciation

• IPA^(key): /???d???d?ti/

Noun

rigidity (countable and uncountable, plural rigidities)

1. The quality or state of being rigid; lack of pliability; the quality of resisting change of physical shape
2. The amount of resistance with which a body opposes change of form.
3. Stiffness of appearance or manner; want of ease or elegance.
4. (economics) stickiness (of prices/wages etc.). Describing the tendency of prices and money wages to adjust to changes in the economy with a certain delay.

Synonyms

• rigidness

Antonyms

• flexibility
• ductility
• malleability
• softness

Translations

References

• rigidity in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

English

Alternative forms

• rigourous (non?standard)

Etymology

From Old French, from Late Latin rigorosus.

Pronunciation

• IPA^(key): /???????s/
• Rhymes: -?????s

Adjective

rigorous (comparative more rigorous, superlative most rigorous)

1. Showing, causing, or favoring rigour; scrupulously accurate or strict; thorough.

   a rigorous officer of justice

   a rigorous execution of law

   a rigorous inspection
2. Severe; intense.

   a rigorous winter.

Synonyms

• (showing, causing or favoring rigor): painstaking, scrupulous; see also Thesaurus:meticulous
• (severe; intense): harsh, strict; see also Thesaurus:stern

Antonyms

• (severe; intense): arbitrary, capricious, whimsical

Derived terms

• nonrigorous
• overrigorous
• rigorously
• rigorousness
• unrigorous

Related terms

• rigid
• rigour

Translations

Further reading

• rigorous at OneLook Dictionary Search
• rigorous in The Century Dictionary, New York, N.Y.: The Century Co., 1911.