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Definitions

in line

[in-lahyn, in-lahyn] / ˌɪnˈlaɪn, ˈɪnˌlaɪn /
ADJECTIVE
level
Synonyms
STRONGEST
matched
STRONG
aligned calm common constant equivalent even exact flat flush horizontal leveled like matching parallel plain plane planed polished regular rolled same stable steady straight trim trimmed uniform
WEAK
akin alike commensurate comparable consistent continuous equable identical lined up of same height on a line on a par on one plane planate precise proportionate unbroken unfluctuating uninterrupted
Antonyms
STRONG
dissimilar divergent imbalanced inconsistent irregular rough uneven unstable unsteady variable wavering wobbly
WEAK
ragged
ADJECTIVE
orthodox
Synonyms
WEAK
according to the book acknowledged admitted approved authoritative buttoned-down by the numbers canonical conformist conservative conventional correct customary devout die-hard doctrinal established legitimate official old-line pious proper punctilious reactionary received recognized religious right rightful sanctioned sound square standard straight straight arrow traditionalistic true well-established
Antonyms
WEAK
heterodox unconventional unorthodox untraditional
ADJECTIVE
pending
Synonyms
STRONGEST
imminent impending undecided
WEAK
awaiting continuing dependent forthcoming hanging in the balance in the offing in the works indeterminate ominous on board on line pendent undetermined unsettled up in the air
Antonyms
STRONGEST
distant later
WEAK
improbable unlikely
ADJECTIVE
proper
Synonyms
STRONGEST
correct moral polite precise respectable
WEAK
becoming befitting by the book by the numbers comely comme il faut conforming de rigueur decorous demure genteel kosher nice priggish prim prissy prudish punctilious puritanical refined right seemly solid square stone straight strait-laced stuffy
Antonyms
STRONGEST
bad corrupt dishonest imprecise inaccurate inexact
WEAK
crass crude general improper incorrect misbehaving objectionable substandard unacceptable unconventional unsuitable
ADJECTIVE
ready
Synonyms
STRONGEST
accessible apt handy qualified ripe
STRONG
adjusted anticipating arranged completed covered equipped fit near organized primed set waiting wired
WEAK
all set all systems go at beck and call at fingertips at hand at the ready champing at bit close to hand convenient equal to expectant fixed for in order in place in position in readiness in the saddle on call on hand on tap on the brink open to
Antonyms
STRONGEST
incapable unskilled
WEAK
unavailable uneducated unprepared unready untrained
ADJECTIVE
straight
Synonyms
STRONGEST
consecutive nonstop short smooth solid straightforward successive true
STRONG
beeline direct even horizontal invariable level perpendicular plumb right running square upright vertical
WEAK
collinear continuous erect in a line in a row inflexible like an arrow lineal linear near precipitous rectilineal rectilinear sheer through unbent unbroken uncurled undeviating undistorted uninterrupted unrelieved unswerving
Antonyms
STRONGEST
broken incontinuous intermittent
STRONG
level uneven varying
WEAK
curved twisted
ADJECTIVE
succeeding/successive
Synonyms
WEAK
alternating consecutive ensuing following after in a row next next in line for next in order next off next up rotating sequent sequential serial seriate subsequent subsequential succedent successional
Antonyms
WEAK
antecedent antedating preceding previous
ADJECTIVE
successive
Synonyms
STRONGEST
consecutive ensuing subsequent succeeding
WEAK
alternating following after next next off next up rotating sequent sequential serial seriate subsequential succedent successional
ADVERB
abreast
Synonyms
WEAK
beside equal in alignment level opposite shoulder to shoulder side by side
Antonyms
WEAK
lost out of touch unaware

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The research focused on in-line filtration, a method in which water is first treated with a coagulant and then passed through a sand filter.

From Science Daily • Apr. 20, 2026

Currency was a headwind and North American sales were weak, but the overall adjusted gross margin was slightly ahead of the bank’s estimate with networks margins coming in-line.

From The Wall Street Journal • Apr. 17, 2026

While the official contract cannot explicitly mention the practice of ghostwriting, rewriting, or in-line editing, it can acknowledge revision, commentary, and any form of feedback.

From Slate • Mar. 20, 2026

When healthcare is in favor, it can trade close to in-line with the S&P 500.

From Barron's • Mar. 18, 2026

It was the ‘Bullet N°2’ racing car, the first with an eight-cylinder, in-line engine, according to Eugene Hammond.

From "The Teacher’s Funeral" by Richard Peck