lash
Word family
- lashesnoun (plural)A2
- lashingnounC1
- lashingadjectiveC1
- lashedverb (past tense)B2
- eyelashnounA2
Synonym discussion
Sense: verb/1
All four words describe striking with force, but they differ in how the blow is delivered and what emotion it carries. Lash suggests a whipping motion — something flexible (a whip, a tail, rain) striking with a snap or sharp impact. Whip is more specific: it always involves the object of that name or a similar instrument, and often implies deliberate punishment. Beat is the broadest term — it covers any repeated hitting, whether with fists, a stick, or a tool, and does not carry the 'flexible-striking-implement' meaning. Thrash is the most violent; it implies wild, uncontrolled hitting that causes serious damage. For example: 'The rain lashed the windows' (natural force hitting repeatedly) vs. 'The cruel man whipped the horse' (deliberate whip use) vs. 'The gang beat the victim badly' (any kind of hitting) vs. 'The shark thrashed its prey' (wild, violent motion).
Common collocations
Etymology
The word 'lash' comes from Middle English 'lasshe' or 'lashen', which appeared around the 1300s. Its origins are thought to trace back through Old French 'lachier' (to lace or fasten) and ultimately Latin 'laxare' (to loosen). This unusual path — from 'loosen' to 'fasten' — happened because one branch of meaning focused on the loose, whipping end of a rope or lace, while another focused on using that same rope for tying things together. The 'eyelash' meaning came later, based on the similarity between a lash of a whip and the flickering hair on the eyelid.