helmetless en · ADJ
Etymology
Etymology tree English helmet Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English helmetless From helmet + -less.
Meanings
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(not-comparable) Without a helmet.
The helmetless rider was killed in the crash.