young at heart
thinking and behaving as if you are younger than you really are:
Dad may be nearly 90 but he's still young at heart.
Thesaurus: synonyms and related words
Physically and mentally mature & immature
- adult
- ageing
- aging
- an old/a wise head on young shoulders idiom
- babyish
- grown
- grown up
- head
- immature
- infantile
- juvenile
- mature
- maturely
- maturity
- overgrown
- petulant
- precocious
- precociously
- retarded
- young
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