Synonym: arranged, businesslike, correct, customary, orderly, proper, regular, stiff, structural, systematic. Antonym: informal. Similar words: normally, informal, format, formation, information, transformation, mall, small. Meaning: ['fɔrml /'fɔːml] 
n. 1. a lavish dance requiring formal attire 2. a gown for evening wear. adj. 1. being in accord with established forms and conventions and requirements (as e.g. of formal dress) 2. characteristic of or befitting a person in authority 3. (of spoken and written language) adhering to traditional standards of correctness and without casual, contracted, and colloquial forms 4. represented in simplified or symbolic form 5. logically deductive 6. refined or imposing in manner or appearance; befitting a royal court.
n. 1. a lavish dance requiring formal attire 2. a gown for evening wear. adj. 1. being in accord with established forms and conventions and requirements (as e.g. of formal dress) 2. characteristic of or befitting a person in authority 3. (of spoken and written language) adhering to traditional standards of correctness and without casual, contracted, and colloquial forms 4. represented in simplified or symbolic form 5. logically deductive 6. refined or imposing in manner or appearance; befitting a royal court. 
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91. It is time to put these arrangements on a slightly more formal basis.
92. The dinner is formal, if you don't wear the correct clothes you'll stick out like a sore thumb.
93. In a formal interview, try to maintain good eye contact with the interviewers.
94. I never had formal training, I just learned the job as I went along.
95. She didn't have any formal qualifications but took an access course to get into university.
96. They decided to put their relationship on a more formal footing.
97. The essay suddenly switches from a formal to an informal register.
98. He mingled among the guests and took the candid shots which were much more fun than the formal group photographs.
99. My client accepts the formal apology without prejudice to any further legal action she may decide to take.
100. This is done with a formal bow to the king or queen.
101. Most modern kings and queens rule only in a formal way, without real power.
102. I've met her twice but only on formal occasions .
103. We hurried an oral agreement before signing a formal contract.
104. I think your letter is under that book. Underneath can also be used when you want to emphasize that something is being covered or hidden by another thing:Have you looked underneath the sofa as well as behind it? You can also use beneath in this sense[sentencedict.com], but it is a very formal or literary word.
105. Each student has been given his or her own e-mail address. The use of his or her sometimes sounds slightly formal and it is becoming more common to use the plural pronoun their:Each student has been given their own e-mail address.
106. We're going to attend a formal dinner in aid of cancer research.
107. The speech he made to welcome them was stiff and formal.
108. Such casual dress would not be correct for a formal occasion.
109. His casual clothes were not appropriate for such a formal occasion.
110. People have been reluctant to make formal complaints to the police.
111. It depends what you mean by 'hostile'. In formal written English, depend should always be followed by on or upon:It depends on how you define the term 'hostile'. Upon is more formal and less frequent than on.
112. A lack of formal education will limit your job opportunities.
112. Sentencedict.com is a sentence dictionary, on which you can find nice sentences for a large number of words.
113. They wanted to make a formal complaint about their doctor, but ended up ensnared in the complexities of the legal system.
114. 'Yours sincerely' is a formal way of ending a letter.
115. The discussions are aimed at paving the way for formal negotiations between the two countries.
116. Is it considered improper to wear such a short skirt to a formal occasion?
117. A number of them have filed formal complaints against the police.
118. The messenger made a formal bow and left the room.
119. Sometimes formal English and informal English must be carefully distinguished.
120. You'd better recast the first paragraph in more formal wording.