frightened

fearful

feeling anxiety; troubled

worried, tense

having knowledge of, conscious of, something

knowledgeable

(of a person) thinking of, paying attention to, what one does, says etc

cautious; painstaking

having a good knowledge of

experienced, familiar with

showing that one is inferior, less able etc

meek, unassuming

not safe; not providing good support; not to be relied on

uncertain, worried

feeling, showing, a wish to be unkind because one does not trust a partner or believes one is being cheated

desirous; wary

having, showing that one knows something

experienced, aware

giving care and thought to something

attentive, aware

of the nerves; easily afraid, timid

anxious, fearful

too anxious

tense

(of a person) self-conscious and uncomfortable in the presence of others; (of animals etc) easily frightened

quiet and self-conscious

anxious to help, showing concern (for a person, thing)

worried

having, showing, causing, a feeling of doubt (because a person, thing, cannot be trusted or believed)

distrustful

easily frightened

shy

afraid

afraid

uncomfortable in body or mind

awkward, uncomfortable

not trustful

nervous

a condition of being ill; an unexpected result; to knock over; overturn; to cause (a person or thing) to be disturbed

disturbed, bothered

extremely tense or nervous

nervous

causing worry

troublesome