The most common and most likely answer to this crossword clue is the 4 letter word THIN
I've seen this crossword clue in The Sunday Telegraph
T
H
I
N
More clues leading to the result THIN
- Flimsy metal cladding for hotel
- Sensitive kind? Then sin is out
- Weak object loses its end
- Weak cup of tea unfinished
- Flimsy article, short
- What health insurance covers is insufficient
- Fine to use one’s imagination, mostly
- Health insurance partly insufficient
- Flimsy item falling short
- Slender article detailed?
Buddy explains!

The straight part
We know that "getting too little to eat" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case getting too little to eat = thin.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does THIN mean?
THIN noun- A loss or tearing of paper from the back of a stamp, although not sufficient to create a complete hole.
- Any food produced or served in thin slices.
- To make thin or thinner.
- To become thin or thinner.
- To dilute.
- To remove some plants or parts of plants in order to improve the growth of what remains.
- Having little thickness or extent from one surface to its opposite.
- Very narrow in all diameters; having a cross section that is small in all directions.
- Having little body fat or flesh; slim; slender; lean; gaunt.
- Of low viscosity or low specific gravity.
- Scarce; not close, crowded, or numerous; not filling the space.
- Describing a poorly played golf shot where the ball is struck by the bottom part of the club head. See fat, shank, toe.
- Lacking body or volume; small; feeble; not full.
- Slight; small; slender; flimsy; superficial; inadequate; not sufficient for a covering.
- Not thickly or closely; in a scattered state.