Thalidomide is an infamous teratogen. Women can be exposed to this substance while trying to control nausea during pregnancy. Thalidomide was given (mostly in the late fifties) as a medication to control the nausea (it was removed from the market in 1961). Thalidomide causes severe malformation risks to a developing fetus.
adjective. The definition of naive is being immature, unaware or overly trusting. An example of naive is someone who believes that the moon is made of cheese because their mother said it was.
naive suggests lack of worldly wisdom often connoting credulousness and unchecked innocence. politically naive; unsophisticated implies a lack of experience and training necessary for social ease and adroitness. unsophisticated adolescents; artless suggests a naturalness resulting from unawareness of the effect one is producing on others