Synonyms of the word 
NEEDLESS → GRATUITOUS - UNCALLED-FOR - UNNECESSARY - UNNEEDED
needless
- adj. Not needed; unnecessary.
gratuitous
- adj. Given freely; unearned.
- adj. Not called for by the circumstances; uncalled-for; without reason, cause, or proof; adopted or asserted…
uncalled-for
- adj. Unwanted; not requested or required.
- adj. Unwarranted, disproportionate, or inappropriate; not deserved or justified, especially when rude or offensive.
unnecessary
- adj. Not needed or necessary.
- adj. Done in addition to requirements; unrequired.
unneeded
- adj. Not needed.
If you are interested in words, visit the following sites :
- wiktionary.org/needless For complete definition of a word
- 1word.ws/needless to play with words, suffixs, prefixs, etc.