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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121, A stiff knee following surgery forced her to walk with a limp.
122, 'What you need is a stiff drink,' he told her.
123, There will be stiff penalties if companies exceed these levels of pollution.
124, Whisk the egg whites until they are foamy but not stiff.
125, I never felt stiff after training until I was in my thirties.
126, It's a stiff climb to the top of the hill.
127, Plans to turn the site into a ￡600 million leisure complex have met with stiff opposition .
128, He was taught at school to keep a stiff upper lip, whatever happens.
129, He fortified himself against the cold with a stiff brandy.
130, Beat the egg whites until they are stiff enough to form firm peaks.
131, Train doors have handles on the inside. They are stiff so that they cannot be opened accidentally.
132, There has been stiff opposition/resistance to the proposed tax increases.
133, I'm stiff all over right now-I hope I can recover for tomorrow's race.
134, Men were taught to keep a stiff upper lip .
135, The film faces stiff competition for the Best Film nomination.
136, The thought of my exams next week scares me stiff.
137, The man's body was stiff as a board when it was found in the snow.
138, The army encountered stiff resistance from rebels in the hills.
139, In the classroom the teacher is stiff and stern but after class he unbends.
140, The gas companies are having to lay off staff in the face of stiff competition from oil.
141, As a child I was scared stiff of going down to the cellar.
142, You'll need a stiff brush to scrape off the rust.
143, The Mud Bath is particularly recommended for relieving tension and stiff muscles.
144, I was frozen stiff after sitting so long and could hardly walk.
145, Under Greece's stiff anti-drugs laws they could face twenty years in jail.
146, We had to pay a stiff membership fee to join the health club.
147, I want you to carry a stiff upper lip whatever happens.
148, They always seemed a little awkward with each other,[www.Sentencedict.com] a bit stiff and formal.
149, Clean the mussels with a stiff brush under cold running water.
150, He poured himself a stiff drink to calm his nerves.
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.