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infant

American  
[in-fuhnt] / ˈɪn fənt /

noun

  1. a child during the earliest period of their life, especially before they can walk; baby.

  2. Law. a person who is not of full age, especially one who has not reached the age of 18 years; a minor.

  3. a beginner, as in experience or learning; novice.

    The new candidate is a political infant.

  4. anything in the first stage of existence or progress.


adjective

  1. of or relating to infants or infancy.

    infant years.

  2. being in infancy.

    an infant king.

  3. being in the earliest stage.

    an infant industry.

  4. of or relating to the legal state of infancy; minor.

infant British  
/ ˈɪnfənt /

noun

  1. a child at the earliest stage of its life; baby

  2. law another word for minor

  3. a young schoolchild, usually under the age of seven

  4. a person who is beginning or inexperienced in an activity

  5. (modifier)

    1. of or relating to young children or infancy

    2. designed or intended for young children

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. in an early stage of development; nascent

    an infant science or industry

  2. law of or relating to the legal status of infancy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • infanthood noun
  • infantlike adjective

Etymology

Origin of infant

First recorded in 1350–1400; from Latin infant- (stem of infāns ) “small child,” literally, “one unable to speak,” equivalent to in- in- 3 + -fāns, present participle of fārī “to speak”; replacing Middle English enfaunt, from Anglo-French, from Latin, as above

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The drug is also used in infants to treat pulmonary hypertension due to its ability to widen blood vessels.

From Science Daily

The drug, for the rare disease hypophosphatasia, showed positive results in infant trials but not in adult/adolescent trials.

From The Wall Street Journal

Mitford, suddenly widowed and with an infant daughter, found work in Washington, D.C., at the Office of Price Administration, pursuing violators of wartime regulations.

From The Wall Street Journal

Once firefighters arrived and extracted the infant, they began performing CPR, but it looked like the baby was turning blue, she said.

From Los Angeles Times

"Months later, we heard in the news that premature infants had died in Shifa. I would look at the photos, trying to feel, as a mother, whether this could be my child or not."

From BBC