subtlest

sub·tle

S s

Definitions of subtlest word

adjective subtlest thin, tenuous, or rarefied, as a fluid or an odor. 1
adjective subtlest fine or delicate in meaning or intent; difficult to perceive or understand: subtle irony. 1
adjective subtlest delicate or faint and mysterious: a subtle smile. 1
adjective subtlest requiring mental acuteness, penetration, or discernment: a subtle philosophy. 1
adjective subtlest characterized by mental acuteness or penetration: a subtle understanding. 1
adjective subtlest cunning, wily, or crafty: a subtle liar. 1

before 1250

One of the 11% oldest English words

1250-1300; Middle English sotil < Old French < Latin subtīlis subtile (b of modern spelling < L)

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

A common word. It’s meaning is known to most children of preschool age. About 95% of English native speakers know the meaning and use the word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

This diagram is provided by Google Ngram Viewer