Definitions
allowing communication in only one direction at a time, or in telegraphy allowing only one message over a line at a time
Word origin
The adjective is a learned borrowing from Latin simplex (“plain, simple; single”). The first part, sim-, comes from Proto-Indo-European *sem-, *sm̥- (“one; together”). The second part, -plex, may be from *pleḱ- (“to weave”).
Used in a sentence
“The word weak is a simplex. Its derivative weaken is not.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“One-way mode”7 letters
02“One-way only”7 letters
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