1
a
: to incline, deviate, or bend from a vertical position
He leaned back in his chair.
b
: to cast one's weight to one side for support
Lean on me as we walk.
2
: to rely for support or inspiration
… preferred not to lean on his father in building a career.—Current Biography
3
: to incline in opinion, taste, or desire
leaning toward a career in chemistry
: to cause to lean : incline
The boy leaned his head on his mother's shoulder.
: the act or an instance of leaning : inclination
1
a
: lacking or deficient in flesh
b
: containing little or no fat
lean meat
2
: lacking richness, sufficiency, or productiveness
lean profits
the lean years
3
: deficient in an essential or important quality or ingredient: such as
a
of ore
: containing little valuable mineral
b
: low in combustible component
—used especially of fuel mixtures
4
: characterized by economy (as of style, expression, or operation)
leanly
adverb
: the part of meat that consists principally of lean muscle
Cite this Entry
“Lean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lean. Accessed 7 Jul. 2026.
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