Synonyms of thoroughly

thoroughly

adverb

ˈthər-(ˌ)ō-lē 

1

as in systematically

with attention to all aspects or details

they researched the issue thoroughly before deciding how to vote

Synonyms & Similar Words

• systematically
• fully
• extensively
• completely
• comprehensively
• widely
• exhaustively
• totally
• in detail
• minutely
• at length
• intensively
• from the ground up
• inside out
• from stem to stern
• roundly
• sweepingly
• detailedly
• broadly
• microscopically
• perfectly
• meticulously
• through and through
• generally
• definitely
• conclusively
• globally
• all out
• consummately
• full blast
• encyclopedically

Antonyms & Near Antonyms

• randomly
• haphazardly
• inadequately
• narrowly
• aimlessly
• imperfectly
• summarily
• superficially
• cursorily
• shallowly
• vaguely
• sketchily
• desultorily
• hit or miss
• nebulously
• indeterminately

2

as in fully

to a full extent or degree

I am thoroughly satisfied with her explanation of the events of that evening

Synonyms & Similar Words

• fully
• completely
• quite
• totally
• utterly
• perfectly
• all
• wholly
• well
• even
• entirely
• fast
• absolutely
• exactly
• entire
• out
• wide
• enough
• soundly
• heartily
• clean
• all the way
• for fair
• full
• altogether
• dead
• at length
• basically
• flat
• in whole
• to pieces
• all over
• down to the ground
• to bits
• down the line
• substantially
• through and through
• plumb
• to the max
• to the hilt
• all of
• generally
• mostly
• largely
• downright
• categorically
• cold
• greatly
• plain
• unqualifiedly
• mainly
• generously
• chiefly
• primarily
• principally
• predominantly
• copiously
• abundantly
• predominately
• by and large
• more or less
• overall
• hands down
• stone-cold
• stone

Antonyms & Near Antonyms

• partially
• partly
• halfway
• just
• slightly
• half
• incompletely
• minimally
• barely
• scarcely
• hardly
• superficially
• somewhat
• marginally
• part
• approximately
• roughly
• kind of

Example Sentences

Recent Examples of thoroughly

While commenter gave a thoroughly detailed response, prominent Sedalia historian Becky Imhauser spoke about the city’s history with the fair, and what factors went into it being housed in Sedalia. — Sophie Lindberg, Kansas City Star, 26 July 2026

Inspect Items Thoroughly Take the time to thoroughly inspect a piece before making a purchase. — Maria Sabella, Better Homes & Gardens, 24 July 2026

Individuals can lower their chances of contracting cyclospora by thoroughly washing fruits and vegetables before consumption, per the FDA. — Angel Saunders, PEOPLE, 24 July 2026

Hosting one of the Eastern Conference’s struggling teams, the Earthquakes (10-4-2, 32 points) were thoroughly outplayed in a 4-0 loss to Orlando City SC at PayPal Park, showing little of the form that fueled their historic first half of the season. — Harold Gutmann, Mercury News, 23 July 2026