Definition of lean
- He leaned back in his chair.
- lean on me as we walk.
- preferred not to lean on his father in building a career
- —Current Biography
- leaning toward a career in chemistry
- They were leaning on the governor to pass the law.
She has a lean, athletic body.
all of the marathoners are extremely lean
before 12th century
: not having much fat on the body : physically thin, strong, and healthy
: containing little or no fat
: not having or producing much money, food, etc.
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