not least

not least

As or more notably compared to other elements; especially or in particular. They're going to delay the movie's launch, not least due to the controversy surrounding the lead actor. I decided to take the job for several reasons, not least of which is the short commute.
See also: least, not
Farlex Dictionary of Idioms.

not least

notably; in particular.
See also: least, not
Farlex Partner Idioms Dictionary

not ˈleast

(written) especially: There are a lot of complaints about the new road, not least because of the noise.
See also: least, not
Farlex Partner Idioms Dictionary
See also:
  • least of all
  • pique (one's) (emotion)
  • pique curiosity
  • pique somebody's interest, curiosity, etc.
  • make waves
  • make waves, to
  • not all black and white
  • hook
  • hook it
  • hooks
References in classic literature
Not least among the things I was curious about was the saloon.
But indeed, at that time, putting to death was a recipe much in vogue with all trades and professions, and not least of all with Tellson's.
As for the rest, every bit was made by her own hands--featherstitched pinning blankets, a crocheted jacket and cap, knitted mittens, embroidered bonnets; slim little princess slips of sensible length; underskirts on absurd Lilliputian yokes; silk-embroidered white flannel petticoats; stockings and crocheted boots, seeming to burgeon before her eyes with wriggly pink toes and plump little calves; and last, but not least, many deliciously soft squares of bird's-eye linen.
For several reasons, and not least because I didn't clearly know what Mr.
And ashore went Dag Daughtry, with his small savings, to rent two cheap rooms for himself and his remaining responsibilities, namely, Charles Stough Greenleaf, Kwaque, Michael, and, not least, Cocky.
The little rusticities and awkwardnesses which had at first made grievous inroads on the tranquillity of all, and not least of herself, necessarily wore away, and she was no longer materially afraid to appear before her uncle, nor did her aunt Norris's voice make her start very much.
Such a connection between the first and second sections is easily seen, but the links between these and the third and fourth are no less real: to make life go tolerably smoothly it is most important to be just and to know how to win a livelihood; but happiness also largely depends on prudence and care both in social and home life as well, and not least on avoidance of actions which offend supernatural powers and bring ill-luck.
Last, and not least important, Miss Giles sounded in my ears exactly like an assumed name.
Last, not least, he didn't even deserve to marry a woman old enough to be his grandmother -- and he has done it!
appreciation of each literary work as a product of Fine Art, appealing with peculiar power both to our minds and to our emotions, not least to the sense of Beauty and the whole higher nature.
Certainly it was a mortifying matter for all concerned, and not least Cluny; the more credit that he took it as he did.
Bounderby, with a curious expression on it, half shrewd, half perplexed, as if his mind were set upon unravelling something very difficult; his hat held tight in his left hand, which rested on his hip; his right arm, with a rugged propriety and force of action, very earnestly emphasizing what he said: not least so when it always paused, a little bent, but not withdrawn, as he paused.
TACKLING: Timed so well he did not commit a single foul throughout the 90 minutes, relying on his clever reading of the game to get him into position early to make clean challenges, not least for United's second, with his tackle on Tammy Abraham just outside his own area starting the move that led to the breakaway goal.
Tchaikovsky's Romeo and Juliet was naturally built, delicate in dynamics, and with a general sense of cool restraint from which the big moments (not least the piercing trumpet ascent at the height of the warring fugato) emerged spectacularly.
While the team were not in top gear as a unit there were a few impressive displays, not least Fabio.