anxious vs. anxiety

anxious

adjective

  1. full of mental distress or uneasiness because of fear of danger or misfortune; greatly worried; apprehensive.

    Her parents were anxious about her poor health.

    Synonyms: enthusiastic, solicitous, uneasy, fearful, disturbed, concerned
    Antonyms: confident, calm

  2. earnestly desirous; eager (usually followed by an infinitive orfor ): anxious for our happiness.

    anxious to please;

    anxious for our happiness.

    Antonyms: hesitant, reluctant

  3. attended with or showing solicitude or uneasiness.

    anxious forebodings.

anxiety

noun

plural

anxieties 

  1. distress or uneasiness of mind caused by fear of danger or misfortune.

    He felt anxiety about the possible loss of his job.

    Synonyms: disquiet, worry, foreboding, fear
    Antonyms: tranquility, serenity, certainty

  2. earnest but tense desire; eagerness.

    He had a keen anxiety to succeed in his work.

  3. Psychiatry.,  a state of apprehension and psychic tension occurring in some forms of mental disorder.