fluctuant

The result was an unflattering portrait that emphasized "strong, although fluctuant, emotional attachments" and "sudden and extreme shifts in loyalty and enthusiasm."

From Time Magazine Archive

Society at Balderville was of the fluctuant, intermittent order that obtains at minor resorts; the crop of visitors was bad or good, according to the year, like the peaches or cotton.

From The Wayfarers by Mary Stewart Doubleday Cutting

The dawn that imbues and enkindles Life's fluctuant and fugitive sea Dies down as the starshine that dwindles And cares not to be.

From A Channel Passage and Other Poems Taken from The Collected Poetical Works of Algernon Charles Swinburne—Vol VI by Algernon Charles Swinburne

Along her sensitive, fluctuant nostrils the casual crinkle of distaste and suspicion had deepened suddenly into sheer dilating terror.

From The White Linen Nurse by Eleanor Hallowell Abbott

Just now, therefore, Francis Lingen flowed murmuring on his way, like a purling brook, rippling, fluctuant, carrying insignificant straws, insects of the hour, on his course, never jamming, or heaving up, monotonous but soothing.

From Love and Lucy by Maurice Henry Hewlett