(a) Lissome: (of a person or their body) thin, supple, and graceful.
(b) Gullible: easily persuaded to believe something; credulous.
(c) Desolate: feeling or showing great unhappiness or loneliness.
(d) Naïve: showing a lack of experience, wisdom, or judgement.
(e) Bumptious: irritatingly self-assertive.