effortless
This more complex vocabulary might require deliberate, effortful learning.
The dancers in this production made it look a little too effortful.
I find that there is always something effortful about eating food with friends.
We should make a distinction between effortful and automatic tasks.
Children develop more effortful regulation of their emotions and behaviour as they get older.

SMART Vocabulary: related words and phrases

Effort and expending energy
assiduity
assiduous
assiduously
assiduousness
be running on emptyidiom
burn
effort
effortfully
elbow grease
fight
hamster wheel
hard at itidiom
kill
plough
plough through something
push
put something in/put something into something
rearguard action
set/put your mind to somethingidiom
swing