9 Grammatical Pitfalls


[plas-id] /ˈplæs ɪd/
pleasantly calm or peaceful; unruffled; tranquil; serenely quiet or undisturbed:
placid waters.
Origin of placid
1620-30; < Latin placidus calm, quiet, akin to placēre to please (orig., to calm); see -id4
Related forms
[pluh-sid-i-tee] /pləˈsɪd ɪ ti/ (Show IPA),
placidness, noun
placidly, adverb
unplacid, adjective
unplacidly, adverb
unplacidness, noun
See peaceful. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for placid
  • And the placid beasts still gazing with their mild eyes full of loving.
  • Even placid Oman is being dragged into the row.
  • The colonial society seems placid, prospering at a Neolithic level, with the world populated by small farming villages.
  • His demeanor was as placid as that of a midnight watchman finishing his shift.
  • The heat is searing and the mood placid.
  • No matter how placid it may look, water always holds danger.
  • Houseboats are usually the stuff of lakes, bays, and placid rivers.
  • Donald took umbrage, but he seethed beneath a seemingly placid exterior.
  • But beyond the state's borders, the reaction has been anything but placid.
  • If their expressions are placid, they're pleased.
British Dictionary definitions for placid


having a calm appearance or nature
Derived Forms
placidity (pləˈsɪdɪtɪ), placidness, noun
placidly, adverb
Word Origin
C17: from Latin placidus peaceful; related to placēre to please
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for placid

1620s, from French placide (15c.) and directly from Latin placidus "pleasing, peaceful, quiet, gentle, still, calm," from placere "to please" (see please). Related: Placidly; placidness.

Online Etymology Dictionary, © 2010 Douglas Harper
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