Adverbs: Flat

Adjective	Adjective example	Flat adverb example	-ly form (if exists)	Notes / Meaning difference
close	a close friend	Stay close	closely	“closely” = carefully / scrutinize
deep	a deep hole	Dig deep	deeply	“deeply” = figurative / intensity
far	a far distance	He ran far	farly ❌	does not exist
first	the first time	She came first	firstly	mainly in enumerations
fast	a fast car	She runs fast	fastly ❌	obsolete / not used
hard	a hard test	Hit the nail hard	hardly	“hardly” = almost not
high	a high wall	The kite flew high	highly	“highly” = very / greatly
last	the last item	He finished last	lastly	mainly in enumerations
late	a late arrival	He arrived late	lately	“lately” = recently
main	the main reason	This is mainly true	mainly	formal / “chiefly”
mere	a mere child	He did it merely?	merely	formal / limited use
near	the near station	The station is near	nearly	“nearly” = almost
next	the next bus	She was next	nextly ❌	does not exist
quick	a quick reply	Come quick	quickly	flat = informal
right	the right answer	Guess right	rightly	“rightly” = formally correct / evaluative
slow	a slow car	Drive slow	slowly	flat = informal; -ly formal
soon	a soon event	We’ll leave soon	soonly ❌	does not exist
straight	a straight line	Go straight ahead	straightly ❌	archaic / very rare
utter	an utter failure	He was utterly shocked	utterly	lexicalized, not compositional
wide	a wide road	Open the door wide	widely	“widely” = extensively
wrong	the wrong choice	You spelled it wrong	wrongly	“wrongly” = formal / legalistic
early	an early train	She woke early	early (same)	flat and normal use identical
long	a long wait	Don’t wait long	longl