gumshoe
6 synonyms for gumshoe, grouped by meaning and by how common each one is.
Noun — A private detective (originally so called because rubber-soled shoes let them move quietly).
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
From gum (rubber) + shoe — rubber-soled shoes were associated with detectives who could move about unheard.
Full origin of gumshoe →