Synonym: difficult, firm, formal, hard, inflexible, rigid, stilted, taut, tense, tight, tough, unnatural. Antonym: limp. Similar words: plaintiff, justify, testify, cliff, differ, gratify, artifact, identify. Meaning: [stɪf] 
n. 1. an ordinary man 2. the dead body of a human being. adj. 1. not moving or operating freely 2. powerful 3. rigidly formal 4. having a strong physiological or chemical effect 5. marked by firm determination or resolution; not shakable 6. incapable of or resistant to bending 7. very drunk. adv. 1. extremely 2. in a stiff manner.
n. 1. an ordinary man 2. the dead body of a human being. adj. 1. not moving or operating freely 2. powerful 3. rigidly formal 4. having a strong physiological or chemical effect 5. marked by firm determination or resolution; not shakable 6. incapable of or resistant to bending 7. very drunk. adv. 1. extremely 2. in a stiff manner. 
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211, The apse mosaics have a gold background and are of early type, being stiff and formal in design.
212, Her eyes were half-closed and her cheeks were stiff with the numbing cold of the bitter wind.
213, Churn or utility brush: A short handled, stiff bristled brush shaped for use in awkward areas and for general cleaning.
214, She buckled a stiff hard belt around Alexandra's waist and stood back to admire the effect.
215, Both projects, which were won against stiff competition, are for offshore fixed installations for Abu Dhabi based company Adma Opco.
216, Water is then added and mixing continued until the agglomeration is of a wet, yet stiff, consistency.
217, Cosmos, path-smothering nasturtium, stiff autumn crocus and clumps of busy Lizzie were in full bloom.
218, That bustling, hustling, ambitious man who never listened and never gave up was now stiff and silent and still.
More similar words: plaintiff, justify, testify, cliff, differ, gratify, artifact, identify, difficult, diffident, different, difference, scientific, artificial, differ from, identification, make a difference, stir, still, hostile, instinct, plastic, stick out, stick to, burst in, distinct, testing, question, existing, estimate.